#21518E#21518E

#21518E is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.113 H 255.9°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#21518E
RGB	rgb(33, 81, 142)
HSL	hsl(214, 62%, 34%)
HSV	hsv(214, 77%, 56%)
CMYK	cmyk(76.8%, 43%, 0%, 44.3%)
CIE-LAB	lab(34.31, 6.29, -38.46)
CIE-LCH	lch(34.31, 38.97, 279.28°)
OKLab	oklab(43.53% -0.0276 -0.11)
OKLCH	oklch(43.53% 0.113 255.9)
XYZ	xyz(8.4503, 8.1602, 26.7157)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21518E #8E5E21

analogous

#21888E #21518E #28218E

triadic

#21518E #8E2151 #518E21

tetradic

#21518E #8E2188 #8E5E21 #218E28

square

#21518E #8E2188 #8E5E21 #218E28

split-complementary

#21518E #8E2821 #888E21

monochromatic

#0A182B #15355C #21518E #2D6DC0 #528DD7

Accessibility & contrast

On white

7.98

#21518E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#21518E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21518E

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21518E	#FFFFFF	#000000	##FFFFFF
##21518E	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335690

Deuteranopia (green-blind)

#204C8D

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #21518e;
/* rgb */ color: rgb(33, 81, 142);
/* oklch */ color: oklch(43.5% 0.113 255.9);

Tailwind

colors: {
  custom: {
    50: '#6c81af',
    500: '#21518e',
    950: '#000000',
  },
}

SCSS

$custom: #21518e;
$custom-light: #6c81af;
$custom-dark: #000000;

JSON

{
  "hex": "#21518e",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 142
  },
  "hsl": {
    "h": 213.578,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43534,
    "c": 0.11338,
    "h": 255.9
  },
  "luminance": 0.08161
}

Semantic roles & 50–950 ramp

primary

#21518E

secondary

#BA8C50

accent

#9E42E5

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #21518E

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

Preview Lab → · Contrast checker → · Palette generator →