#251BAD#251BAD

#251BAD is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.0% C 0.213 H 271.9°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#251BAD
RGB	rgb(37, 27, 173)
HSL	hsl(244, 73%, 39%)
HSV	hsv(244, 84%, 68%)
CMYK	cmyk(78.6%, 84.4%, 0%, 32.2%)
CIE-LAB	lab(24.30, 51.59, -73.61)
CIE-LCH	lch(24.30, 89.89, 305.02°)
OKLab	oklab(37.03% 0.007 -0.2129)
OKLCH	oklch(37.03% 0.213 271.9)
XYZ	xyz(8.6952, 4.1933, 39.8782)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251BAD #A3AD1B

analogous

#1B5AAD #251BAD #6E1BAD

triadic

#251BAD #AD251B #1BAD25

tetradic

#251BAD #AD1B5A #A3AD1B #1BAD6E

square

#251BAD #AD1B5A #A3AD1B #1BAD6E

split-complementary

#251BAD #AD6E1B #5AAD1B

monochromatic

#0E0A43 #1A1378 #251BAD #3428DD #665DE6

Accessibility & contrast

On white

11.42

#251BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#251BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251BAD

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251BAD	#FFFFFF	#000000	##FFFFFF
##251BAD	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B1

Deuteranopia (green-blind)

#0032AB

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #251bad;
/* rgb */ color: rgb(37, 27, 173);
/* oklch */ color: oklch(37.0% 0.213 271.9);

Tailwind

colors: {
  custom: {
    50: '#795dc7',
    500: '#251bad',
    950: '#000000',
  },
}

SCSS

$custom: #251bad;
$custom-light: #795dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#251bad",
  "rgb": {
    "r": 37,
    "g": 27,
    "b": 173
  },
  "hsl": {
    "h": 244.11,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37031,
    "c": 0.21306,
    "h": 271.9
  },
  "luminance": 0.04194
}

Semantic roles & 50–950 ramp

primary

#251BAD

secondary

#C2CA5A

accent

#F038E3

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #251BAD

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

Preview Lab → · Contrast checker → · Palette generator →