#21508A#21508A

#21508A is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.0% C 0.109 H 255.3°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#21508A
RGB	rgb(33, 80, 138)
HSL	hsl(213, 61%, 34%)
HSV	hsv(213, 76%, 54%)
CMYK	cmyk(76.1%, 42%, 0%, 45.9%)
CIE-LAB	lab(33.76, 5.37, -36.90)
CIE-LCH	lch(33.76, 37.28, 278.28°)
OKLab	oklab(43.03% -0.0276 -0.1054)
OKLCH	oklch(43.03% 0.109 255.3)
XYZ	xyz(8.0816, 7.8947, 25.1377)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21508A #8A5B21

analogous

#21848A #21508A #26218A

triadic

#21508A #8A2150 #508A21

tetradic

#21508A #8A2184 #8A5B21 #218A26

square

#21508A #8A2184 #8A5B21 #218A26

split-complementary

#21508A #8A2621 #848A21

monochromatic

#091727 #153359 #21508A #2D6DBB #508CD5

Accessibility & contrast

On white

8.14

#21508A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#21508A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21508A

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21508A	#FFFFFF	#000000	##FFFFFF
##21508A	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34558C

Deuteranopia (green-blind)

#234B89

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #21508a;
/* rgb */ color: rgb(33, 80, 138);
/* oklch */ color: oklch(43.0% 0.109 255.3);

Tailwind

colors: {
  custom: {
    50: '#6b80ac',
    500: '#21508a',
    950: '#000000',
  },
}

SCSS

$custom: #21508a;
$custom-light: #6b80ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21508a",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 138
  },
  "hsl": {
    "h": 213.143,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43025,
    "c": 0.10894,
    "h": 255.3
  },
  "luminance": 0.07896
}

Semantic roles & 50–950 ramp

primary

#21508A

secondary

#B9894E

accent

#9C43E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #21508A

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

Preview Lab → · Contrast checker → · Palette generator →