#21518F#21518F

#21518F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.6% C 0.115 H 256.2°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#21518F
RGB	rgb(33, 81, 143)
HSL	hsl(214, 63%, 35%)
HSV	hsv(214, 77%, 56%)
CMYK	cmyk(76.9%, 43.4%, 0%, 43.9%)
CIE-LAB	lab(34.38, 6.68, -38.97)
CIE-LCH	lch(34.38, 39.54, 279.73°)
OKLab	oklab(43.6% -0.0274 -0.1115)
OKLCH	oklch(43.6% 0.115 256.2)
XYZ	xyz(8.5257, 8.1904, 27.1128)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21518F #8F5F21

analogous

#21888F #21518F #28218F

triadic

#21518F #8F2151 #518F21

tetradic

#21518F #8F2188 #8F5F21 #218F28

square

#21518F #8F2188 #8F5F21 #218F28

split-complementary

#21518F #8F2821 #888F21

monochromatic

#0A192C #16355D #21518F #2C6DC1 #538DD7

Accessibility & contrast

On white

7.96

#21518F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#21518F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21518F

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21518F	#FFFFFF	#000000	##FFFFFF
##21518F	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335691

Deuteranopia (green-blind)

#1F4C8E

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #21518f;
/* rgb */ color: rgb(33, 81, 143);
/* oklch */ color: oklch(43.6% 0.115 256.2);

Tailwind

colors: {
  custom: {
    50: '#6d81b0',
    500: '#21518f',
    950: '#000000',
  },
}

SCSS

$custom: #21518f;
$custom-light: #6d81b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21518f",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 143
  },
  "hsl": {
    "h": 213.818,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43602,
    "c": 0.11478,
    "h": 256.2
  },
  "luminance": 0.08191
}

Semantic roles & 50–950 ramp

primary

#21518F

secondary

#BB8D51

accent

#9E42E6

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #21518F

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

Preview Lab → · Contrast checker → · Palette generator →