#21528E#21528E

#21528E is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.8% C 0.112 H 255.3°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#21528E
RGB	rgb(33, 82, 142)
HSL	hsl(213, 62%, 34%)
HSV	hsv(213, 77%, 56%)
CMYK	cmyk(76.8%, 42.3%, 0%, 44.3%)
CIE-LAB	lab(34.62, 5.63, -37.97)
CIE-LCH	lch(34.62, 38.39, 278.43°)
OKLab	oklab(43.77% -0.0286 -0.1085)
OKLCH	oklch(43.77% 0.112 255.3)
XYZ	xyz(8.5252, 8.3099, 26.7406)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21528E #8E5D21

analogous

#21898E #21528E #27218E

triadic

#21528E #8E2152 #528E21

tetradic

#21528E #8E2189 #8E5D21 #218E27

square

#21528E #8E2189 #8E5D21 #218E27

split-complementary

#21528E #8E2721 #898E21

monochromatic

#0A192B #15355C #21528E #2D6FC0 #528ED7

Accessibility & contrast

On white

7.89

#21528E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#21528E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21528E

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21528E	#FFFFFF	#000000	##FFFFFF
##21528E	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355790

Deuteranopia (green-blind)

#234D8D

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #21528e;
/* rgb */ color: rgb(33, 82, 142);
/* oklch */ color: oklch(43.8% 0.112 255.3);

Tailwind

colors: {
  custom: {
    50: '#6c82af',
    500: '#21528e',
    950: '#000000',
  },
}

SCSS

$custom: #21528e;
$custom-light: #6c82af;
$custom-dark: #000000;

JSON

{
  "hex": "#21528e",
  "rgb": {
    "r": 33,
    "g": 82,
    "b": 142
  },
  "hsl": {
    "h": 213.028,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43771,
    "c": 0.11221,
    "h": 255.3
  },
  "luminance": 0.08311
}

Semantic roles & 50–950 ramp

primary

#21528E

secondary

#BA8B50

accent

#9C42E5

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #21528E

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

Preview Lab → · Contrast checker → · Palette generator →