#251971#251971

#251971 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.142 H 279.6°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#251971
RGB	rgb(37, 25, 113)
HSL	hsl(248, 64%, 27%)
HSV	hsv(248, 78%, 44%)
CMYK	cmyk(67.3%, 77.9%, 0%, 55.7%)
CIE-LAB	lab(16.90, 33.43, -48.48)
CIE-LCH	lch(16.90, 58.89, 304.59°)
OKLab	oklab(29.82% 0.0236 -0.1399)
OKLCH	oklch(29.82% 0.142 279.6)
XYZ	xyz(4.0903, 2.2805, 15.8442)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251971 #657119

analogous

#193971 #251971 #511971

triadic

#251971 #712519 #197125

tetradic

#251971 #711939 #657119 #197151

square

#251971 #711939 #657119 #197151

split-complementary

#251971 #715119 #397119

monochromatic

#080619 #150E3F #251971 #3524A3 #4833D2

Accessibility & contrast

On white

14.42

#251971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#251971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251971

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251971	#FFFFFF	#000000	##FFFFFF
##251971	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00266F

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #251971;
/* rgb */ color: rgb(37, 25, 113);
/* oklch */ color: oklch(29.8% 0.142 279.6);

Tailwind

colors: {
  custom: {
    50: '#6b589b',
    500: '#251971',
    950: '#000000',
  },
}

SCSS

$custom: #251971;
$custom-light: #6b589b;
$custom-dark: #000000;

JSON

{
  "hex": "#251971",
  "rgb": {
    "r": 37,
    "g": 25,
    "b": 113
  },
  "hsl": {
    "h": 248.182,
    "s": 63.768,
    "l": 27.059
  },
  "oklch": {
    "l": 0.2982,
    "c": 0.14192,
    "h": 279.6
  },
  "luminance": 0.02281
}

Semantic roles & 50–950 ramp

primary

#251971

secondary

#98A640

accent

#E741D0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #251971

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

Preview Lab → · Contrast checker → · Palette generator →