#251978#251978

#251978 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.151 H 278.3°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#251978
RGB	rgb(37, 25, 120)
HSL	hsl(248, 66%, 28%)
HSV	hsv(248, 79%, 47%)
CMYK	cmyk(69.2%, 79.2%, 0%, 52.9%)
CIE-LAB	lab(17.66, 35.77, -51.72)
CIE-LCH	lch(17.66, 62.89, 304.67°)
OKLab	oklab(30.59% 0.0218 -0.1494)
OKLCH	oklch(30.59% 0.151 278.3)
XYZ	xyz(4.4997, 2.4443, 18.0003)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251978 #6C7819

analogous

#193C78 #251978 #541978

triadic

#251978 #782519 #197825

tetradic

#251978 #78193C #6C7819 #197854

square

#251978 #78193C #6C7819 #197854

split-complementary

#251978 #785419 #3C7819

monochromatic

#080519 #150E45 #251978 #3524AB #4A36D5

Accessibility & contrast

On white

14.10

#251978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#251978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251978

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251978	#FFFFFF	#000000	##FFFFFF
##251978	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7B

Deuteranopia (green-blind)

#002776

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #251978;
/* rgb */ color: rgb(37, 25, 120);
/* oklch */ color: oklch(30.6% 0.151 278.3);

Tailwind

colors: {
  custom: {
    50: '#6d58a0',
    500: '#251978',
    950: '#000000',
  },
}

SCSS

$custom: #251978;
$custom-light: #6d58a0;
$custom-dark: #000000;

JSON

{
  "hex": "#251978",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 120
  },
  "hsl": {
    "h": 247.579,
    "s": 65.517,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30592,
    "c": 0.15099,
    "h": 278.3
  },
  "luminance": 0.02445
}

Semantic roles & 50–950 ramp

primary

#251978

secondary

#9FAD40

accent

#E83FD3

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #251978

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

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