#251EA0#251EA0

#251EA0 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.196 H 272.7°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#251EA0
RGB	rgb(37, 30, 160)
HSL	hsl(243, 68%, 37%)
HSV	hsv(243, 81%, 63%)
CMYK	cmyk(76.9%, 81.3%, 0%, 37.3%)
CIE-LAB	lab(23.20, 46.16, -67.56)
CIE-LCH	lch(23.20, 81.83, 304.34°)
OKLab	oklab(35.82% 0.0094 -0.1955)
OKLCH	oklch(35.82% 0.196 272.7)
XYZ	xyz(7.5703, 3.8591, 33.5968)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251EA0 #99A01E

analogous

#1E58A0 #251EA0 #661EA0

triadic

#251EA0 #A0251E #1EA025

tetradic

#251EA0 #A01E58 #99A01E #1EA066

square

#251EA0 #A01E58 #99A01E #1EA066

split-complementary

#251EA0 #A0661E #58A01E

monochromatic

#0D0B39 #19146C #251EA0 #3128D4 #6059E0

Accessibility & contrast

On white

11.85

#251EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#251EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251EA0

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251EA0	#FFFFFF	#000000	##FFFFFF
##251EA0	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00319E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #251ea0;
/* rgb */ color: rgb(37, 30, 160);
/* oklch */ color: oklch(35.8% 0.196 272.7);

Tailwind

colors: {
  custom: {
    50: '#765dbd',
    500: '#251ea0',
    950: '#000000',
  },
}

SCSS

$custom: #251ea0;
$custom-light: #765dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#251ea0",
  "rgb": {
    "r": 37,
    "g": 30,
    "b": 160
  },
  "hsl": {
    "h": 243.231,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35816,
    "c": 0.19571,
    "h": 272.7
  },
  "luminance": 0.0386
}

Semantic roles & 50–950 ramp

primary

#251EA0

secondary

#BEC456

accent

#EB3DE2

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #251EA0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →