#251699#251699

#251699 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.1% C 0.194 H 274.0°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#251699
RGB	rgb(37, 22, 153)
HSL	hsl(247, 75%, 34%)
HSV	hsv(247, 86%, 60%)
CMYK	cmyk(75.8%, 85.6%, 0%, 40%)
CIE-LAB	lab(21.08, 47.72, -66.79)
CIE-LCH	lch(21.08, 82.08, 305.54°)
OKLab	oklab(34.11% 0.0137 -0.1931)
OKLCH	oklch(34.11% 0.194 274)
XYZ	xyz(6.7977, 3.2663, 30.4030)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251699 #8A9916

analogous

#164999 #251699 #671699

triadic

#251699 #992516 #169925

tetradic

#251699 #991649 #8A9916 #169967

square

#251699 #991649 #8A9916 #169967

split-complementary

#251699 #996716 #499916

monochromatic

#0B072E #180E63 #251699 #321ECF #5745E4

Accessibility & contrast

On white

12.70

#251699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#251699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251699

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251699	#FFFFFF	#000000	##FFFFFF
##251699	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00389C

Deuteranopia (green-blind)

#002C97

Tritanopia (blue-blind)

#00415A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #251699;
/* rgb */ color: rgb(37, 22, 153);
/* oklch */ color: oklch(34.1% 0.194 274.0);

Tailwind

colors: {
  custom: {
    50: '#7559b8',
    500: '#251699',
    950: '#000000',
  },
}

SCSS

$custom: #251699;
$custom-light: #7559b8;
$custom-dark: #000000;

JSON

{
  "hex": "#251699",
  "rgb": {
    "r": 37,
    "g": 22,
    "b": 153
  },
  "hsl": {
    "h": 246.87,
    "s": 74.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34105,
    "c": 0.19359,
    "h": 274
  },
  "luminance": 0.03267
}

Semantic roles & 50–950 ramp

primary

#251699

secondary

#B7C546

accent

#F136DC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #251699

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

Preview Lab → · Contrast checker → · Palette generator →