#251A8A#251A8A

#251A8A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.173 H 275.5°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#251A8A
RGB	rgb(37, 26, 138)
HSL	hsl(246, 68%, 32%)
HSV	hsv(246, 81%, 54%)
CMYK	cmyk(73.2%, 81.2%, 0%, 45.9%)
CIE-LAB	lab(19.91, 41.14, -59.42)
CIE-LCH	lch(19.91, 72.27, 304.70°)
OKLab	oklab(32.77% 0.0165 -0.1718)
OKLCH	oklch(32.77% 0.173 275.5)
XYZ	xyz(5.7183, 2.9665, 24.3111)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251A8A #7F8A1A

analogous

#1A478A #251A8A #5D1A8A

triadic

#251A8A #8A251A #1A8A25

tetradic

#251A8A #8A1A47 #7F8A1A #1A8A5D

square

#251A8A #8A1A47 #7F8A1A #1A8A5D

split-complementary

#251A8A #8A5D1A #478A1A

monochromatic

#090723 #171057 #251A8A #3324BD #5243DC

Accessibility & contrast

On white

13.18

#251A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#251A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251A8A

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251A8A	#FFFFFF	#000000	##FFFFFF
##251A8A	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358D

Deuteranopia (green-blind)

#002B88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #251a8a;
/* rgb */ color: rgb(37, 26, 138);
/* oklch */ color: oklch(32.8% 0.173 275.5);

Tailwind

colors: {
  custom: {
    50: '#715aad',
    500: '#251a8a',
    950: '#000000',
  },
}

SCSS

$custom: #251a8a;
$custom-light: #715aad;
$custom-dark: #000000;

JSON

{
  "hex": "#251a8a",
  "rgb": {
    "r": 37,
    "g": 26,
    "b": 138
  },
  "hsl": {
    "h": 245.893,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3277,
    "c": 0.17259,
    "h": 275.5
  },
  "luminance": 0.02967
}

Semantic roles & 50–950 ramp

primary

#251A8A

secondary

#B1BD43

accent

#EB3DDA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #251A8A

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

Preview Lab → · Contrast checker → · Palette generator →