#21536D#21536D

#21536D is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.0% C 0.069 H 234.5°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#21536D
RGB	rgb(33, 83, 109)
HSL	hsl(201, 54%, 28%)
HSV	hsv(201, 70%, 43%)
CMYK	cmyk(69.7%, 23.9%, 0%, 57.3%)
CIE-LAB	lab(33.16, -7.66, -19.87)
CIE-LCH	lch(33.16, 21.30, 248.92°)
OKLab	oklab(42.05% -0.0398 -0.0558)
OKLCH	oklch(42.05% 0.069 234.5)
XYZ	xyz(6.4797, 7.6133, 15.5931)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21536D #6D3B21

analogous

#216D61 #21536D #212D6D

triadic

#21536D #6D2153 #536D21

tetradic

#21536D #61216D #6D3B21 #2D6D21

square

#21536D #61216D #6D3B21 #2D6D21

split-complementary

#21536D #6D212D #6D6121

monochromatic

#071217 #132F3E #21536D #2F779C #4299C6

Accessibility & contrast

On white

8.32

#21536D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#21536D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21536D

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21536D	#FFFFFF	#000000	##FFFFFF
##21536D	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46526E

Deuteranopia (green-blind)

#3C4B6D

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #21536d;
/* rgb */ color: rgb(33, 83, 109);
/* oklch */ color: oklch(42.0% 0.069 234.5);

Tailwind

colors: {
  custom: {
    50: '#668397',
    500: '#21536d',
    950: '#000000',
  },
}

SCSS

$custom: #21536d;
$custom-light: #668397;
$custom-dark: #000000;

JSON

{
  "hex": "#21536d",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 109
  },
  "hsl": {
    "h": 200.526,
    "s": 53.521,
    "l": 27.843
  },
  "oklch": {
    "l": 0.42046,
    "c": 0.06853,
    "h": 234.5
  },
  "luminance": 0.07614
}

Semantic roles & 50–950 ramp

primary

#21536D

secondary

#A16749

accent

#7D4BDD

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #21536D

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

Preview Lab → · Contrast checker → · Palette generator →