#21518A#21518A

#21518A is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.3% C 0.108 H 254.6°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#21518A
RGB	rgb(33, 81, 138)
HSL	hsl(213, 61%, 34%)
HSV	hsv(213, 76%, 54%)
CMYK	cmyk(76.1%, 41.3%, 0%, 45.9%)
CIE-LAB	lab(34.07, 4.71, -36.40)
CIE-LCH	lch(34.07, 36.71, 277.37°)
OKLab	oklab(43.27% -0.0286 -0.1039)
OKLCH	oklch(43.27% 0.108 254.6)
XYZ	xyz(8.1554, 8.0423, 25.1623)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21518A #8A5A21

analogous

#21858A #21518A #25218A

triadic

#21518A #8A2151 #518A21

tetradic

#21518A #8A2185 #8A5A21 #218A25

square

#21518A #8A2185 #8A5A21 #218A25

split-complementary

#21518A #8A2521 #858A21

monochromatic

#091727 #153459 #21518A #2D6EBB #508DD5

Accessibility & contrast

On white

8.05

#21518A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#21518A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21518A

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21518A	#FFFFFF	#000000	##FFFFFF
##21518A	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36558C

Deuteranopia (green-blind)

#254C89

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #21518a;
/* rgb */ color: rgb(33, 81, 138);
/* oklch */ color: oklch(43.3% 0.108 254.6);

Tailwind

colors: {
  custom: {
    50: '#6b81ac',
    500: '#21518a',
    950: '#000000',
  },
}

SCSS

$custom: #21518a;
$custom-light: #6b81ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21518a",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 138
  },
  "hsl": {
    "h": 212.571,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43265,
    "c": 0.10778,
    "h": 254.6
  },
  "luminance": 0.08043
}

Semantic roles & 50–950 ramp

primary

#21518A

secondary

#B9884E

accent

#9B43E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #21518A

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

Preview Lab → · Contrast checker → · Palette generator →