#21576A#21576A

#21576A is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.0% C 0.064 H 224.6°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#21576A
RGB	rgb(33, 87, 106)
HSL	hsl(196, 53%, 27%)
HSV	hsv(196, 69%, 42%)
CMYK	cmyk(68.9%, 17.9%, 0%, 58.4%)
CIE-LAB	lab(34.35, -11.16, -16.16)
CIE-LCH	lch(34.35, 19.64, 235.37°)
OKLab	oklab(42.95% -0.0457 -0.0451)
OKLCH	oklch(42.95% 0.064 224.6)
XYZ	xyz(6.6359, 8.1796, 14.8620)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21576A #6A3421

analogous

#216A58 #21576A #21336A

triadic

#21576A #6A2157 #576A21

tetradic

#21576A #58216A #6A3421 #336A21

square

#21576A #58216A #6A3421 #336A21

split-complementary

#21576A #6A2133 #6A5821

monochromatic

#071317 #12313B #21576A #307D99 #41A2C4

Accessibility & contrast

On white

7.97

#21576A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#21576A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21576A

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21576A	#FFFFFF	#000000	##FFFFFF
##21576A	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C556B

Deuteranopia (green-blind)

#424D6A

Tritanopia (blue-blind)

#005D5D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #21576a;
/* rgb */ color: rgb(33, 87, 106);
/* oklch */ color: oklch(43.0% 0.064 224.6);

Tailwind

colors: {
  custom: {
    50: '#668694',
    500: '#21576a',
    950: '#000000',
  },
}

SCSS

$custom: #21576a;
$custom-light: #668694;
$custom-dark: #000000;

JSON

{
  "hex": "#21576a",
  "rgb": {
    "r": 33,
    "g": 87,
    "b": 106
  },
  "hsl": {
    "h": 195.616,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.42951,
    "c": 0.06422,
    "h": 224.6
  },
  "luminance": 0.0818
}

Semantic roles & 50–950 ramp

primary

#21576A

secondary

#9E5F49

accent

#714CDC

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #21576A

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

Preview Lab → · Contrast checker → · Palette generator →