#21367F#21367F

#21367F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.126 H 267.5°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#21367F
RGB	rgb(33, 54, 127)
HSL	hsl(227, 59%, 31%)
HSV	hsv(227, 74%, 50%)
CMYK	cmyk(74%, 57.5%, 0%, 50.2%)
CIE-LAB	lab(25.24, 18.82, -43.78)
CIE-LCH	lch(25.24, 47.65, 293.26°)
OKLab	oklab(36.25% -0.0055 -0.1261)
OKLCH	oklch(36.25% 0.126 267.5)
XYZ	xyz(5.7758, 4.4934, 20.6375)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21367F #7F6A21

analogous

#21657F #21367F #3B217F

triadic

#21367F #7F2136 #367F21

tetradic

#21367F #7F2165 #7F6A21 #217F3B

square

#21367F #7F2165 #7F6A21 #217F3B

split-complementary

#21367F #7F3B21 #657F21

monochromatic

#080D1E #14214E #21367F #2E4BB0 #4A68D0

Accessibility & contrast

On white

11.06

#21367F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#21367F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21367F

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21367F	#FFFFFF	#000000	##FFFFFF
##21367F	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #21367f;
/* rgb */ color: rgb(33, 54, 127);
/* oklch */ color: oklch(36.3% 0.126 267.5);

Tailwind

colors: {
  custom: {
    50: '#6a6ca5',
    500: '#21367f',
    950: '#000000',
  },
}

SCSS

$custom: #21367f;
$custom-light: #6a6ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#21367f",
  "rgb": {
    "r": 33,
    "g": 54,
    "b": 127
  },
  "hsl": {
    "h": 226.596,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36252,
    "c": 0.12624,
    "h": 267.5
  },
  "luminance": 0.04494
}

Semantic roles & 50–950 ramp

primary

#21367F

secondary

#B29B4A

accent

#BF46E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #21367F

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

Preview Lab → · Contrast checker → · Palette generator →