#251487#251487

#251487 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.7% C 0.174 H 276.6°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#251487
RGB	rgb(37, 20, 135)
HSL	hsl(249, 74%, 30%)
HSV	hsv(249, 85%, 53%)
CMYK	cmyk(72.6%, 85.2%, 0%, 47.1%)
CIE-LAB	lab(18.55, 43.11, -59.79)
CIE-LCH	lch(18.55, 73.71, 305.79°)
OKLab	oklab(31.72% 0.0198 -0.1728)
OKLCH	oklch(31.72% 0.174 276.6)
XYZ	xyz(5.3849, 2.6424, 23.1432)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251487 #768714

analogous

#143C87 #251487 #5F1487

triadic

#251487 #872514 #148725

tetradic

#251487 #87143C #768714 #14875F

square

#251487 #87143C #768714 #14875F

split-complementary

#251487 #875F14 #3C8714

monochromatic

#08041C #160C52 #251487 #341CBC #4E34E1

Accessibility & contrast

On white

13.74

#251487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#251487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251487

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251487	#FFFFFF	#000000	##FFFFFF
##251487	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328A

Deuteranopia (green-blind)

#002885

Tritanopia (blue-blind)

#00394F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #251487;
/* rgb */ color: rgb(37, 20, 135);
/* oklch */ color: oklch(31.7% 0.174 276.6);

Tailwind

colors: {
  custom: {
    50: '#7156ab',
    500: '#251487',
    950: '#000000',
  },
}

SCSS

$custom: #251487;
$custom-light: #7156ab;
$custom-dark: #000000;

JSON

{
  "hex": "#251487",
  "rgb": {
    "r": 37,
    "g": 20,
    "b": 135
  },
  "hsl": {
    "h": 248.87,
    "s": 74.194,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31724,
    "c": 0.17391,
    "h": 276.6
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#251487

secondary

#A9BB3B

accent

#F137D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251487

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

Preview Lab → · Contrast checker → · Palette generator →