#251579#251579

#251579 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.156 H 278.8°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#251579
RGB	rgb(37, 21, 121)
HSL	hsl(250, 70%, 28%)
HSV	hsv(250, 83%, 47%)
CMYK	cmyk(69.4%, 82.6%, 0%, 52.5%)
CIE-LAB	lab(17.04, 38.24, -53.41)
CIE-LCH	lch(17.04, 65.68, 305.60°)
OKLab	oklab(30.19% 0.0238 -0.1542)
OKLCH	oklch(30.19% 0.156 278.8)
XYZ	xyz(4.4812, 2.3097, 18.2951)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251579 #697915

analogous

#153779 #251579 #571579

triadic

#251579 #792515 #157925

tetradic

#251579 #791537 #697915 #157957

square

#251579 #791537 #697915 #157957

split-complementary

#251579 #795715 #377915

monochromatic

#08051A #150C45 #251579 #351EAD #492EDB

Accessibility & contrast

On white

14.36

#251579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#251579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251579

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251579	#FFFFFF	#000000	##FFFFFF
##251579	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7C

Deuteranopia (green-blind)

#002677

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #251579;
/* rgb */ color: rgb(37, 21, 121);
/* oklch */ color: oklch(30.2% 0.156 278.8);

Tailwind

colors: {
  custom: {
    50: '#6d56a1',
    500: '#251579',
    950: '#000000',
  },
}

SCSS

$custom: #251579;
$custom-light: #6d56a1;
$custom-dark: #000000;

JSON

{
  "hex": "#251579",
  "rgb": {
    "r": 37,
    "g": 21,
    "b": 121
  },
  "hsl": {
    "h": 249.6,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30186,
    "c": 0.15606,
    "h": 278.8
  },
  "luminance": 0.0231
}

Semantic roles & 50–950 ramp

primary

#251579

secondary

#9CAF3B

accent

#ED3BD1

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #251579

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

Preview Lab → · Contrast checker → · Palette generator →