#21338D#21338D

#21338D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.150 H 268.9°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#21338D
RGB	rgb(33, 51, 141)
HSL	hsl(230, 62%, 34%)
HSV	hsv(230, 77%, 55%)
CMYK	cmyk(76.6%, 63.8%, 0%, 44.7%)
CIE-LAB	lab(25.60, 26.36, -51.93)
CIE-LCH	lch(25.60, 58.24, 296.92°)
OKLab	oklab(36.89% -0.0029 -0.1501)
OKLCH	oklch(36.89% 0.15 268.9)
XYZ	xyz(6.6171, 4.6134, 25.7359)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21338D #8D7B21

analogous

#21698D #21338D #45218D

triadic

#21338D #8D2133 #338D21

tetradic

#21338D #8D2169 #8D7B21 #218D45

square

#21338D #8D2169 #8D7B21 #218D45

split-complementary

#21338D #8D4521 #698D21

monochromatic

#0A0F2A #15215B #21338D #2D45BF #5268D6

Accessibility & contrast

On white

10.92

#21338D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#21338D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21338D

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21338D	#FFFFFF	#000000	##FFFFFF
##21338D	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #21338d;
/* rgb */ color: rgb(33, 51, 141);
/* oklch */ color: oklch(36.9% 0.150 268.9);

Tailwind

colors: {
  custom: {
    50: '#6e6aaf',
    500: '#21338d',
    950: '#000000',
  },
}

SCSS

$custom: #21338d;
$custom-light: #6e6aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#21338d",
  "rgb": {
    "r": 33,
    "g": 51,
    "b": 141
  },
  "hsl": {
    "h": 230,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36893,
    "c": 0.15011,
    "h": 268.9
  },
  "luminance": 0.04614
}

Semantic roles & 50–950 ramp

primary

#21338D

secondary

#BAA850

accent

#CA43E5

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #21338D

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

Preview Lab → · Contrast checker → · Palette generator →