#251B95#251B95

#251B95 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.2% C 0.185 H 274.1°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#251B95
RGB	rgb(37, 27, 149)
HSL	hsl(245, 69%, 35%)
HSV	hsv(245, 82%, 58%)
CMYK	cmyk(75.2%, 81.9%, 0%, 41.6%)
CIE-LAB	lab(21.38, 44.16, -63.82)
CIE-LCH	lch(21.38, 77.61, 304.68°)
OKLab	oklab(34.17% 0.0132 -0.1846)
OKLCH	oklch(34.17% 0.185 274.1)
XYZ	xyz(6.5779, 3.3464, 28.7272)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251B95 #8B951B

analogous

#1B4E95 #251B95 #621B95

triadic

#251B95 #95251B #1B9525

tetradic

#251B95 #951B4E #8B951B #1B9562

square

#251B95 #951B4E #8B951B #1B9562

split-complementary

#251B95 #95621B #4E951B

monochromatic

#0B082D #181261 #251B95 #3224C9 #584CDF

Accessibility & contrast

On white

12.58

#251B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#251B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251B95

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251B95	#FFFFFF	#000000	##FFFFFF
##251B95	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003998

Deuteranopia (green-blind)

#002E93

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #251b95;
/* rgb */ color: rgb(37, 27, 149);
/* oklch */ color: oklch(34.2% 0.185 274.1);

Tailwind

colors: {
  custom: {
    50: '#735bb5',
    500: '#251b95',
    950: '#000000',
  },
}

SCSS

$custom: #251b95;
$custom-light: #735bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#251b95",
  "rgb": {
    "r": 37,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 244.918,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34172,
    "c": 0.18507,
    "h": 274.1
  },
  "luminance": 0.03347
}

Semantic roles & 50–950 ramp

primary

#251B95

secondary

#B7C14B

accent

#EC3CDE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #251B95

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

Preview Lab → · Contrast checker → · Palette generator →