#251786#251786

#251786 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.170 H 276.4°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#251786
RGB	rgb(37, 23, 134)
HSL	hsl(248, 71%, 31%)
HSV	hsv(248, 83%, 53%)
CMYK	cmyk(72.4%, 82.8%, 0%, 47.5%)
CIE-LAB	lab(18.91, 41.38, -58.55)
CIE-LCH	lch(18.91, 71.70, 305.25°)
OKLab	oklab(31.94% 0.0189 -0.1692)
OKLCH	oklch(31.94% 0.17 276.4)
XYZ	xyz(5.3710, 2.7268, 22.7929)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251786 #788617

analogous

#174086 #251786 #5C1786

triadic

#251786 #862517 #178625

tetradic

#251786 #861740 #788617 #17865C

square

#251786 #861740 #788617 #17865C

split-complementary

#251786 #865C17 #408617

monochromatic

#08051E #170E52 #251786 #3320BA #4F3ADD

Accessibility & contrast

On white

13.59

#251786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#251786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251786

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251786	#FFFFFF	#000000	##FFFFFF
##251786	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003389

Deuteranopia (green-blind)

#002984

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #251786;
/* rgb */ color: rgb(37, 23, 134);
/* oklch */ color: oklch(31.9% 0.170 276.4);

Tailwind

colors: {
  custom: {
    50: '#7058aa',
    500: '#251786',
    950: '#000000',
  },
}

SCSS

$custom: #251786;
$custom-light: #7058aa;
$custom-dark: #000000;

JSON

{
  "hex": "#251786",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 134
  },
  "hsl": {
    "h": 247.568,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3194,
    "c": 0.1703,
    "h": 276.4
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#251786

secondary

#AABA3F

accent

#ED3AD7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #251786

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

Preview Lab → · Contrast checker → · Palette generator →