#21405E#21405E

#21405E is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.064 H 249.3°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#21405E
RGB	rgb(33, 64, 94)
HSL	hsl(210, 48%, 25%)
HSV	hsv(210, 65%, 37%)
CMYK	cmyk(64.9%, 31.9%, 0%, 63.1%)
CIE-LAB	lab(26.15, -1.07, -21.25)
CIE-LCH	lch(26.15, 21.28, 267.12°)
OKLab	oklab(36.25% -0.0226 -0.0599)
OKLCH	oklch(36.25% 0.064 249.3)
XYZ	xyz(4.4802, 4.7979, 11.2775)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21405E #5E3F21

analogous

#215E5D #21405E #21225E

triadic

#21405E #5E2140 #405E21

tetradic

#21405E #5D215E #5E3F21 #225E21

square

#21405E #5D215E #5E3F21 #225E21

split-complementary

#21405E #5E2122 #5E5D21

monochromatic

#080F17 #112131 #21405E #315F8B #417EB9

Accessibility & contrast

On white

10.72

#21405E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#21405E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21405E

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21405E	#FFFFFF	#000000	##FFFFFF
##21405E	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33415F

Deuteranopia (green-blind)

#2B3B5D

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #21405e;
/* rgb */ color: rgb(33, 64, 94);
/* oklch */ color: oklch(36.3% 0.064 249.3);

Tailwind

colors: {
  custom: {
    50: '#63748c',
    500: '#21405e',
    950: '#000000',
  },
}

SCSS

$custom: #21405e;
$custom-light: #63748c;
$custom-dark: #000000;

JSON

{
  "hex": "#21405e",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 94
  },
  "hsl": {
    "h": 209.508,
    "s": 48.031,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36254,
    "c": 0.06403,
    "h": 249.3
  },
  "luminance": 0.04798
}

Semantic roles & 50–950 ramp

primary

#21405E

secondary

#926D49

accent

#9350D8

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #21405E

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

Preview Lab → · Contrast checker → · Palette generator →