#21285E#21285E

#21285E is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.4% C 0.096 H 273.7°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#21285E
RGB	rgb(33, 40, 94)
HSL	hsl(233, 48%, 25%)
HSV	hsv(233, 65%, 37%)
CMYK	cmyk(64.9%, 57.4%, 0%, 63.1%)
CIE-LAB	lab(18.58, 15.79, -33.30)
CIE-LCH	lch(18.58, 36.86, 295.37°)
OKLab	oklab(30.42% 0.0062 -0.0955)
OKLCH	oklch(30.42% 0.096 273.7)
XYZ	xyz(3.4057, 2.6488, 10.9193)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21285E #5E5721

analogous

#21465E #21285E #39215E

triadic

#21285E #5E2128 #285E21

tetradic

#21285E #5E2146 #5E5721 #215E39

square

#21285E #5E2146 #5E5721 #215E39

split-complementary

#21285E #5E3921 #465E21

monochromatic

#080A17 #111531 #21285E #313B8B #414FB9

Accessibility & contrast

On white

13.73

#21285E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#21285E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21285E

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21285E	#FFFFFF	#000000	##FFFFFF
##21285E	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063060

Deuteranopia (green-blind)

#002B5D

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #21285e;
/* rgb */ color: rgb(33, 40, 94);
/* oklch */ color: oklch(30.4% 0.096 273.7);

Tailwind

colors: {
  custom: {
    50: '#63618c',
    500: '#21285e',
    950: '#000000',
  },
}

SCSS

$custom: #21285e;
$custom-light: #63618c;
$custom-dark: #000000;

JSON

{
  "hex": "#21285e",
  "rgb": {
    "r": 33,
    "g": 40,
    "b": 94
  },
  "hsl": {
    "h": 233.115,
    "s": 48.031,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3042,
    "c": 0.09569,
    "h": 273.7
  },
  "luminance": 0.02649
}

Semantic roles & 50–950 ramp

primary

#21285E

secondary

#928A49

accent

#C850D8

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #21285E

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

Preview Lab → · Contrast checker → · Palette generator →