#2b57a7

Color #2b57a7

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.52 Nearest Tailwind class sky-800 #00598a · ΔE 7.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#2b57a7

RGB

rgb(43, 87, 167)

HSL

hsl(218.7, 59%, 41.2%)

HSV / HSB

hsv(218.7, 74.3%, 65.5%)

CMYK

cmyk(74.3%, 47.9%, 0%, 34.5%)

LAB

lab(38.05, 13.42, -47.5)

LCH

lch(38.05, 49.36, 285.78)

OKLCH

oklch(47%, 0.1379, 261.2)

HWB

hwb(218.7, 16.9%, 34.5%)

Harmony colors

Complementary

#a77b2b

Analogous

#2b95a7

#2b57a7

#3d2ba7

Triadic

#2b57a7

#a72b57

#57a72b

Split-complementary

#2b57a7

#a73d2b

#95a72b

Tetradic

#2b57a7

#7b2ba7

#a77b2b

#57a72b

Square

#2b57a7

#a72b95

#a77b2b

#2ba73d

Shades

Color #2b57a7 mixed toward black.

#24498b

#1d3a6f

#162c54

#0e1d38

#070f1c

Tints

Color #2b57a7 mixed toward white.

#386dcc

#608ad6

#88a7e0

#b0c4eb

#d7e2f5

Tones

Color #2b57a7 mixed toward gray.

#355a9d

#405d92

#4a6088

#54637e

#5f6673

Accessibility

Aa White text on this color

6.94:1

Aa Black text on this color

3.02:1

White text reads better on this background (6.94:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#424398 · ΔE 9.1

Deuteranopia

#403c95 · ΔE 11

Tritanopia

#2e8c88 · ΔE 32.3

Achromatopsia

#5a5a5a · ΔE 23.5

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #2b57a7;

Tailwind (arbitrary value)

bg-[#2b57a7]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#2b57a7 (#2b57a7) is rgb(43, 87, 167) in RGB.

No, #2b57a7 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #2b57a7, or check how it holds up for accessibility.

Generate a palette → Check contrast