#21576F#21576F

#21576F is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.2% C 0.069 H 230.6°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#21576F
RGB	rgb(33, 87, 111)
HSL	hsl(198, 54%, 28%)
HSV	hsv(198, 70%, 44%)
CMYK	cmyk(70.3%, 21.6%, 0%, 56.5%)
CIE-LAB	lab(34.57, -9.37, -18.94)
CIE-LCH	lch(34.57, 21.13, 243.67°)
OKLab	oklab(43.2% -0.0436 -0.0531)
OKLCH	oklch(43.2% 0.069 230.6)
XYZ	xyz(6.9035, 8.2867, 16.2715)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21576F #6F3921

analogous

#216F60 #21576F #21306F

triadic

#21576F #6F2157 #576F21

tetradic

#21576F #60216F #6F3921 #306F21

square

#21576F #60216F #6F3921 #306F21

split-complementary

#21576F #6F2130 #6F6021

monochromatic

#071218 #133240 #21576F #2F7C9E #439FC7

Accessibility & contrast

On white

7.90

#21576F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#21576F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21576F

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21576F	#FFFFFF	#000000	##FFFFFF
##21576F	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5670

Deuteranopia (green-blind)

#404E6F

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #21576f;
/* rgb */ color: rgb(33, 87, 111);
/* oklch */ color: oklch(43.2% 0.069 230.6);

Tailwind

colors: {
  custom: {
    50: '#668698',
    500: '#21576f',
    950: '#000000',
  },
}

SCSS

$custom: #21576f;
$custom-light: #668698;
$custom-dark: #000000;

JSON

{
  "hex": "#21576f",
  "rgb": {
    "r": 33,
    "g": 87,
    "b": 111
  },
  "hsl": {
    "h": 198.462,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.43198,
    "c": 0.06871,
    "h": 230.6
  },
  "luminance": 0.08287
}

Semantic roles & 50–950 ramp

primary

#21576F

secondary

#A36549

accent

#784ADE

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #21576F

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

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