#251c61

Color #251c61

A moderately saturated dark blue.

Closest named color Midnight Blue #191970 · ΔE 11.5 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.2

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

Conversions

HEX

#251c61

RGB

rgb(37, 28, 97)

HSL

hsl(247.8, 55.2%, 24.5%)

HSV / HSB

hsv(247.8, 71.1%, 38%)

CMYK

cmyk(61.9%, 71.1%, 0%, 62%)

LAB

lab(15.94, 26.04, -39.57)

LCH

lch(15.94, 47.37, 303.35)

OKLCH

oklch(28.6%, 0.1165, 282.09)

HWB

hwb(247.8, 11%, 62%)

Harmony colors

Complementary

#58611c

Analogous

#1c3661

#251c61

#471c61

Triadic

#251c61

#61251c

#1c6125

Split-complementary

#251c61

#61471c

#36611c

Tetradic

#251c61

#611c58

#58611c

#1c6125

Square

#251c61

#611c36

#58611c

#1c6147

Shades

Color #251c61 mixed toward black.

#1f1751

#191341

#120e30

#0c0920

#060510

Tints

Color #251c61 mixed toward white.

#382a93

#4b39c5

#776ad4

#a59be2

#d2cdf1

Tones

Color #251c61 mixed toward gray.

#29225b

#2d2755

#322d50

#36334a

#3a3944

Accessibility

Aa White text on this color

14.82:1

Aa Black text on this color

1.42:1

White text reads better on this background (14.82:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212156 · ΔE 3.7

Deuteranopia

#222353 · ΔE 4.9

Tritanopia

#254c4a · ΔE 28.2

Achromatopsia

#282828 · ΔE 23.6

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

Code

CSS

background-color: #251c61;

Tailwind (arbitrary value)

bg-[#251c61]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#251c61 (#251c61) is rgb(37, 28, 97) in RGB.

No, #251c61 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

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 #251c61, or check how it holds up for accessibility.

Generate a palette → Check contrast