#251887#251887

#251887 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.171 H 276.1°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#251887
RGB	rgb(37, 24, 135)
HSL	hsl(247, 70%, 31%)
HSV	hsv(247, 82%, 53%)
CMYK	cmyk(72.6%, 82.2%, 0%, 47.1%)
CIE-LAB	lab(19.20, 41.20, -58.70)
CIE-LCH	lch(19.20, 71.72, 305.06°)
OKLab	oklab(32.18% 0.0182 -0.1697)
OKLCH	oklch(32.18% 0.171 276.1)
XYZ	xyz(5.4613, 2.7953, 23.1687)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251887 #7A8718

analogous

#184287 #251887 #5C1887

triadic

#251887 #872518 #188725

tetradic

#251887 #871842 #7A8718 #18875C

square

#251887 #871842 #7A8718 #18875C

split-complementary

#251887 #875C18 #428718

monochromatic

#09061F #170F53 #251887 #3321BB #503DDC

Accessibility & contrast

On white

13.47

#251887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#251887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251887

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251887	#FFFFFF	#000000	##FFFFFF
##251887	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338A

Deuteranopia (green-blind)

#002A85

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #251887;
/* rgb */ color: rgb(37, 24, 135);
/* oklch */ color: oklch(32.2% 0.171 276.1);

Tailwind

colors: {
  custom: {
    50: '#7058ab',
    500: '#251887',
    950: '#000000',
  },
}

SCSS

$custom: #251887;
$custom-light: #7058ab;
$custom-dark: #000000;

JSON

{
  "hex": "#251887",
  "rgb": {
    "r": 37,
    "g": 24,
    "b": 135
  },
  "hsl": {
    "h": 247.027,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32176,
    "c": 0.17066,
    "h": 276.1
  },
  "luminance": 0.02796
}

Semantic roles & 50–950 ramp

primary

#251887

secondary

#ACBB40

accent

#ED3BD8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251887

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

Preview Lab → · Contrast checker → · Palette generator →