#21258C#21258C

#21258C is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.3% C 0.165 H 272.0°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#21258C
RGB	rgb(33, 37, 140)
HSL	hsl(238, 62%, 34%)
HSV	hsv(238, 76%, 55%)
CMYK	cmyk(76.4%, 73.6%, 0%, 45.1%)
CIE-LAB	lab(22.09, 35.15, -57.08)
CIE-LCH	lch(22.09, 67.04, 301.63°)
OKLab	oklab(34.3% 0.0057 -0.1652)
OKLCH	oklch(34.3% 0.165 272)
XYZ	xyz(6.0208, 3.5393, 25.1717)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21258C #8C8821

analogous

#215B8C #21258C #53218C

triadic

#21258C #8C2125 #258C21

tetradic

#21258C #8C215B #8C8821 #218C53

square

#21258C #8C215B #8C8821 #218C53

split-complementary

#21258C #8C5321 #5B8C21

monochromatic

#0A0B29 #15185A #21258C #2D32BE #5156D6

Accessibility & contrast

On white

12.30

#21258C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#21258C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21258C

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21258C	#FFFFFF	#000000	##FFFFFF
##21258C	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#00308A

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #21258c;
/* rgb */ color: rgb(33, 37, 140);
/* oklch */ color: oklch(34.3% 0.165 272.0);

Tailwind

colors: {
  custom: {
    50: '#6f60af',
    500: '#21258c',
    950: '#000000',
  },
}

SCSS

$custom: #21258c;
$custom-light: #6f60af;
$custom-dark: #000000;

JSON

{
  "hex": "#21258c",
  "rgb": {
    "r": 33,
    "g": 37,
    "b": 140
  },
  "hsl": {
    "h": 237.757,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34303,
    "c": 0.1653,
    "h": 272
  },
  "luminance": 0.0354
}

Semantic roles & 50–950 ramp

primary

#21258C

secondary

#B9B64F

accent

#DF43E5

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090510

muted

#7B797F

Preview Lab

Preview with #21258C

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

Preview Lab → · Contrast checker → · Palette generator →