#21567B#21567B

#21567B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.083 H 242.6°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#21567B
RGB	rgb(33, 86, 123)
HSL	hsl(205, 58%, 31%)
HSV	hsv(205, 73%, 48%)
CMYK	cmyk(73.2%, 30.1%, 0%, 51.8%)
CIE-LAB	lab(34.82, -4.31, -26.00)
CIE-LCH	lch(34.82, 26.35, 260.58°)
OKLab	oklab(43.58% -0.0381 -0.0734)
OKLCH	oklch(43.58% 0.083 242.6)
XYZ	xyz(7.5288, 8.4081, 19.9612)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21567B #7B4621

analogous

#217B73 #21567B #21297B

triadic

#21567B #7B2156 #567B21

tetradic

#21567B #73217B #7B4621 #297B21

square

#21567B #73217B #7B4621 #297B21

split-complementary

#21567B #7B2129 #7B7321

monochromatic

#07131A #14344B #21567B #2E78AB #4897CE

Accessibility & contrast

On white

7.83

#21567B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#21567B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21567B

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21567B	#FFFFFF	#000000	##FFFFFF
##21567B	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45577D

Deuteranopia (green-blind)

#394E7A

Tritanopia (blue-blind)

#005F63

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #21567b;
/* rgb */ color: rgb(33, 86, 123);
/* oklch */ color: oklch(43.6% 0.083 242.6);

Tailwind

colors: {
  custom: {
    50: '#6885a1',
    500: '#21567b',
    950: '#000000',
  },
}

SCSS

$custom: #21567b;
$custom-light: #6885a1;
$custom-dark: #000000;

JSON

{
  "hex": "#21567b",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 123
  },
  "hsl": {
    "h": 204.667,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.43582,
    "c": 0.08272,
    "h": 242.6
  },
  "luminance": 0.08409
}

Semantic roles & 50–950 ramp

primary

#21567B

secondary

#AE734A

accent

#8647E1

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #21567B

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

Preview Lab → · Contrast checker → · Palette generator →