#21518C#21518C

#21518C is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.4% C 0.111 H 255.3°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#21518C
RGB	rgb(33, 81, 140)
HSL	hsl(213, 62%, 34%)
HSV	hsv(213, 76%, 55%)
CMYK	cmyk(76.4%, 42.1%, 0%, 45.1%)
CIE-LAB	lab(34.19, 5.50, -37.43)
CIE-LCH	lch(34.19, 37.84, 278.36°)
OKLab	oklab(43.4% -0.0281 -0.1069)
OKLCH	oklch(43.4% 0.111 255.3)
XYZ	xyz(8.3015, 8.1007, 25.9319)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21518C #8C5C21

analogous

#21878C #21518C #27218C

triadic

#21518C #8C2151 #518C21

tetradic

#21518C #8C2187 #8C5C21 #218C27

square

#21518C #8C2187 #8C5C21 #218C27

split-complementary

#21518C #8C2721 #878C21

monochromatic

#0A1829 #15345A #21518C #2D6EBE #518DD6

Accessibility & contrast

On white

8.01

#21518C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#21518C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21518C

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21518C	#FFFFFF	#000000	##FFFFFF
##21518C	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35568E

Deuteranopia (green-blind)

#234C8B

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #21518c;
/* rgb */ color: rgb(33, 81, 140);
/* oklch */ color: oklch(43.4% 0.111 255.3);

Tailwind

colors: {
  custom: {
    50: '#6c81ae',
    500: '#21518c',
    950: '#000000',
  },
}

SCSS

$custom: #21518c;
$custom-light: #6c81ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21518c",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 140
  },
  "hsl": {
    "h": 213.084,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43398,
    "c": 0.11057,
    "h": 255.3
  },
  "luminance": 0.08102
}

Semantic roles & 50–950 ramp

primary

#21518C

secondary

#B98A4F

accent

#9C43E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #21518C

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

Preview Lab → · Contrast checker → · Palette generator →