#251590#251590

#251590 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.9% C 0.184 H 275.2°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#251590
RGB	rgb(37, 21, 144)
HSL	hsl(248, 75%, 32%)
HSV	hsv(248, 85%, 56%)
CMYK	cmyk(74.3%, 85.4%, 0%, 43.5%)
CIE-LAB	lab(19.81, 45.42, -63.33)
CIE-LCH	lch(19.81, 77.93, 305.65°)
OKLab	oklab(32.91% 0.0167 -0.183)
OKLCH	oklch(32.91% 0.184 275.2)
XYZ	xyz(6.0635, 2.9427, 26.6286)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#251590 #809015

analogous

#154290 #251590 #631590

triadic

#251590 #902515 #159025

tetradic

#251590 #901542 #809015 #159063

square

#251590 #901542 #809015 #159063

split-complementary

#251590 #906315 #429015

monochromatic

#0A0525 #170D5B #251590 #331DC5 #523DE3

Accessibility & contrast

On white

13.22

#251590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#251590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #251590

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##251590	#FFFFFF	#000000	##FFFFFF
##251590	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003593

Deuteranopia (green-blind)

#002A8E

Tritanopia (blue-blind)

#003D55

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #251590;
/* rgb */ color: rgb(37, 21, 144);
/* oklch */ color: oklch(32.9% 0.184 275.2);

Tailwind

colors: {
  custom: {
    50: '#7358b2',
    500: '#251590',
    950: '#000000',
  },
}

SCSS

$custom: #251590;
$custom-light: #7358b2;
$custom-dark: #000000;

JSON

{
  "hex": "#251590",
  "rgb": {
    "r": 37,
    "g": 21,
    "b": 144
  },
  "hsl": {
    "h": 247.805,
    "s": 74.545,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32913,
    "c": 0.18381,
    "h": 275.2
  },
  "luminance": 0.02943
}

Semantic roles & 50–950 ramp

primary

#251590

secondary

#B1C23E

accent

#F137D9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #251590

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

Preview Lab → · Contrast checker → · Palette generator →