#21505D#21505D

#21505D is a dark, muted cyan. Relative luminance 0.069; OKLCH L 40.5% C 0.055 H 218.7°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#21505D
RGB	rgb(33, 80, 93)
HSL	hsl(193, 48%, 25%)
HSV	hsv(193, 65%, 36%)
CMYK	cmyk(64.5%, 14%, 0%, 63.5%)
CIE-LAB	lab(31.46, -11.53, -12.40)
CIE-LCH	lch(31.46, 16.93, 227.07°)
OKLab	oklab(40.46% -0.0429 -0.0344)
OKLCH	oklch(40.46% 0.055 218.7)
XYZ	xyz(5.4709, 6.8504, 11.3878)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21505D #5D2E21

analogous

#215D4C #21505D #21325D

triadic

#21505D #5D2150 #505D21

tetradic

#21505D #4C215D #5D2E21 #325D21

square

#21505D #4C215D #5D2E21 #325D21

split-complementary

#21505D #5D2132 #5D4C21

monochromatic

#081317 #112930 #21505D #31778A #419EB7

Accessibility & contrast

On white

8.86

#21505D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#21505D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21505D

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21505D	#FFFFFF	#000000	##FFFFFF
##21505D	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484E5E

Deuteranopia (green-blind)

#3F475D

Tritanopia (blue-blind)

#005454

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #21505d;
/* rgb */ color: rgb(33, 80, 93);
/* oklch */ color: oklch(40.5% 0.055 218.7);

Tailwind

colors: {
  custom: {
    50: '#63818b',
    500: '#21505d',
    950: '#000000',
  },
}

SCSS

$custom: #21505d;
$custom-light: #63818b;
$custom-dark: #000000;

JSON

{
  "hex": "#21505d",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 93
  },
  "hsl": {
    "h": 193,
    "s": 47.619,
    "l": 24.706
  },
  "oklch": {
    "l": 0.40458,
    "c": 0.05505,
    "h": 218.7
  },
  "luminance": 0.06851
}

Semantic roles & 50–950 ramp

primary

#21505D

secondary

#915849

accent

#6E51D7

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0B

muted

#7A7C7C

Preview Lab

Preview with #21505D

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

Preview Lab → · Contrast checker → · Palette generator →