#251588#251588

#251588 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.174 H 276.3°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#251588
RGB	rgb(37, 21, 136)
HSL	hsl(248, 73%, 31%)
HSV	hsv(248, 85%, 53%)
CMYK	cmyk(72.8%, 84.6%, 0%, 46.7%)
CIE-LAB	lab(18.83, 42.96, -59.96)
CIE-LCH	lch(18.83, 73.76, 305.62°)
OKLab	oklab(31.95% 0.0191 -0.1733)
OKLCH	oklch(31.95% 0.174 276.3)
XYZ	xyz(5.4736, 2.7067, 23.5218)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251588 #788815

analogous

#153E88 #251588 #5E1588

triadic

#251588 #882515 #158825

tetradic

#251588 #88153E #788815 #15885E

square

#251588 #88153E #788815 #15885E

split-complementary

#251588 #885E15 #3E8815

monochromatic

#08051E #170D53 #251588 #331DBD #4F37E0

Accessibility & contrast

On white

13.62

#251588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#251588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251588

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251588	#FFFFFF	#000000	##FFFFFF
##251588	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328B

Deuteranopia (green-blind)

#002986

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #251588;
/* rgb */ color: rgb(37, 21, 136);
/* oklch */ color: oklch(32.0% 0.174 276.3);

Tailwind

colors: {
  custom: {
    50: '#7157ac',
    500: '#251588',
    950: '#000000',
  },
}

SCSS

$custom: #251588;
$custom-light: #7157ac;
$custom-dark: #000000;

JSON

{
  "hex": "#251588",
  "rgb": {
    "r": 37,
    "g": 21,
    "b": 136
  },
  "hsl": {
    "h": 248.348,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31951,
    "c": 0.17432,
    "h": 276.3
  },
  "luminance": 0.02707
}

Semantic roles & 50–950 ramp

primary

#251588

secondary

#AABC3D

accent

#F038D6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251588

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

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