#21528A#21528A

#21528A is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.107 H 253.9°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#21528A
RGB	rgb(33, 82, 138)
HSL	hsl(212, 61%, 34%)
HSV	hsv(212, 76%, 54%)
CMYK	cmyk(76.1%, 40.6%, 0%, 45.9%)
CIE-LAB	lab(34.38, 4.05, -35.91)
CIE-LCH	lch(34.38, 36.14, 276.44°)
OKLab	oklab(43.51% -0.0295 -0.1025)
OKLCH	oklch(43.51% 0.107 253.9)
XYZ	xyz(8.2302, 8.1920, 25.1873)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21528A #8A5921

analogous

#21868A #21528A #24218A

triadic

#21528A #8A2152 #528A21

tetradic

#21528A #8A2186 #8A5921 #218A24

square

#21528A #8A2186 #8A5921 #218A24

split-complementary

#21528A #8A2421 #868A21

monochromatic

#091727 #153559 #21528A #2D6FBB #508ED5

Accessibility & contrast

On white

7.96

#21528A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#21528A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21528A

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21528A	#FFFFFF	#000000	##FFFFFF
##21528A	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)

#38568C

Deuteranopia (green-blind)

#274C89

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #21528a;
/* rgb */ color: rgb(33, 82, 138);
/* oklch */ color: oklch(43.5% 0.107 253.9);

Tailwind

colors: {
  custom: {
    50: '#6b82ac',
    500: '#21528a',
    950: '#000000',
  },
}

SCSS

$custom: #21528a;
$custom-light: #6b82ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21528a",
  "rgb": {
    "r": 33,
    "g": 82,
    "b": 138
  },
  "hsl": {
    "h": 212,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43506,
    "c": 0.10664,
    "h": 253.9
  },
  "luminance": 0.08193
}

Semantic roles & 50–950 ramp

primary

#21528A

secondary

#B9874E

accent

#9943E5

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #21528A

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

Preview Lab → · Contrast checker → · Palette generator →