#21368C#21368C

#21368C is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.145 H 268.0°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#21368C
RGB	rgb(33, 54, 140)
HSL	hsl(228, 62%, 34%)
HSV	hsv(228, 76%, 55%)
CMYK	cmyk(76.4%, 61.4%, 0%, 45.1%)
CIE-LAB	lab(26.32, 23.93, -50.14)
CIE-LCH	lch(26.32, 55.56, 295.51°)
OKLab	oklab(37.39% -0.005 -0.1448)
OKLCH	oklch(37.39% 0.145 268)
XYZ	xyz(6.6783, 4.8544, 25.3909)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21368C #8C7721

analogous

#216C8C #21368C #42218C

triadic

#21368C #8C2136 #368C21

tetradic

#21368C #8C216C #8C7721 #218C42

square

#21368C #8C216C #8C7721 #218C42

split-complementary

#21368C #8C4221 #6C8C21

monochromatic

#0A1029 #15235A #21368C #2D49BE #516BD6

Accessibility & contrast

On white

10.65

#21368C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#21368C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21368C

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21368C	#FFFFFF	#000000	##FFFFFF
##21368C	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#00398A

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #21368c;
/* rgb */ color: rgb(33, 54, 140);
/* oklch */ color: oklch(37.4% 0.145 268.0);

Tailwind

colors: {
  custom: {
    50: '#6d6cae',
    500: '#21368c',
    950: '#000000',
  },
}

SCSS

$custom: #21368c;
$custom-light: #6d6cae;
$custom-dark: #000000;

JSON

{
  "hex": "#21368c",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 140
  },
  "hsl": {
    "h": 228.224,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37394,
    "c": 0.1449,
    "h": 268
  },
  "luminance": 0.04855
}

Semantic roles & 50–950 ramp

primary

#21368C

secondary

#B9A54F

accent

#C543E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #21368C

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

Preview Lab → · Contrast checker → · Palette generator →