#2257a6

Color #2257a6

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.63 Nearest Tailwind class sky-800 #00598a · ΔE 6.5

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

Conversions

HEX

#2257a6

RGB

rgb(34, 87, 166)

HSL

hsl(215.9, 66%, 39.2%)

HSV / HSB

hsv(215.9, 79.5%, 65.1%)

CMYK

cmyk(79.5%, 47.6%, 0%, 34.9%)

LAB

lab(37.68, 11.91, -47.52)

LCH

lch(37.68, 48.99, 284.07)

OKLCH

oklch(46.6%, 0.1392, 258.61)

HWB

hwb(215.9, 13.3%, 34.9%)

Harmony colors

Complementary

#a67122

Analogous

#2299a6

#2257a6

#2f22a6

Triadic

#2257a6

#a62257

#57a622

Split-complementary

#2257a6

#a62f22

#99a622

Tetradic

#2257a6

#7122a6

#a67122

#57a622

Square

#2257a6

#a62299

#a67122

#22a62f

Shades

Color #2257a6 mixed toward black.

#1c488a

#173a6f

#112b53

#0b1d37

#060e1c

Tints

Color #2257a6 mixed toward white.

#2b6dd1

#538adc

#7ea7e5

#a9c5ed

#d4e2f6

Tones

Color #2257a6 mixed toward gray.

#2d599b

#385b90

#435d85

#4e607a

#59626f

Accessibility

Aa White text on this color

7.04:1

Aa Black text on this color

2.98:1

White text reads better on this background (7.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f4098 · ΔE 10.4

Deuteranopia

#3c3894 · ΔE 12.5

Tritanopia

#278b88 · ΔE 31.7

Achromatopsia

#595959 · ΔE 23.4

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

Code

CSS

background-color: #2257a6;

Tailwind (arbitrary value)

bg-[#2257a6]

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

#2257a6 (#2257a6) is rgb(34, 87, 166) in RGB.

No, #2257a6 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 #2257a6, or check how it holds up for accessibility.

Generate a palette → Check contrast