#2457a1

Color #2457a1

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.42 Nearest Tailwind class sky-800 #00598a · ΔE 6.1

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

Conversions

HEX

#2457a1

RGB

rgb(36, 87, 161)

HSL

hsl(215.5, 63.5%, 38.6%)

HSV / HSB

hsv(215.5, 77.6%, 63.1%)

CMYK

cmyk(77.6%, 46%, 0%, 36.9%)

LAB

lab(37.41, 10.18, -44.96)

LCH

lch(37.41, 46.1, 282.76)

OKLCH

oklch(46.4%, 0.1317, 258.13)

HWB

hwb(215.5, 14.1%, 36.9%)

Harmony colors

Complementary

#a16e24

Analogous

#2495a1

#2457a1

#2f24a1

Triadic

#2457a1

#a12457

#57a124

Split-complementary

#2457a1

#a12f24

#95a124

Tetradic

#2457a1

#6e24a1

#a16e24

#57a124

Square

#2457a1

#a12495

#a16e24

#24a12f

Shades

Color #2457a1 mixed toward black.

#1e4886

#183a6b

#122b50

#0c1d36

#060e1b

Tints

Color #2457a1 mixed toward white.

#2d6ecc

#548ad9

#7fa8e2

#aac5ec

#d4e2f5

Tones

Color #2457a1 mixed toward gray.

#2e5997

#395b8c

#435d82

#4e5f77

#58616d

Accessibility

Aa White text on this color

7.11:1

Aa Black text on this color

2.95:1

White text reads better on this background (7.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#404093 · ΔE 10.7

Deuteranopia

#3d3990 · ΔE 12.4

Tritanopia

#288784 · ΔE 30.3

Achromatopsia

#585858 · ΔE 22.7

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

Code

CSS

background-color: #2457a1;

Tailwind (arbitrary value)

bg-[#2457a1]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#2457a1 (#2457a1) is rgb(36, 87, 161) in RGB.

No, #2457a1 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 #2457a1, or check how it holds up for accessibility.

Generate a palette → Check contrast