#21588F#21588F

#21588F is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.3% C 0.107 H 251.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#21588F
RGB	rgb(33, 88, 143)
HSL	hsl(210, 63%, 35%)
HSV	hsv(210, 77%, 56%)
CMYK	cmyk(76.9%, 38.5%, 0%, 43.9%)
CIE-LAB	lab(36.53, 2.10, -35.54)
CIE-LCH	lch(36.53, 35.60, 273.38°)
OKLab	oklab(45.28% -0.034 -0.1013)
OKLCH	oklch(45.28% 0.107 251.4)
XYZ	xyz(9.0730, 9.2849, 27.2953)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21588F #8F5821

analogous

#218F8F #21588F #21218F

triadic

#21588F #8F2158 #588F21

tetradic

#21588F #8F218F #8F5821 #218F21

square

#21588F #8F218F #8F5821 #218F21

split-complementary

#21588F #8F2121 #8F8F21

monochromatic

#0A1B2C #16395D #21588F #2C77C1 #5395D7

Accessibility & contrast

On white

7.35

#21588F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#21588F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21588F

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21588F	#FFFFFF	#000000	##FFFFFF
##21588F	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5B91

Deuteranopia (green-blind)

#2E518E

Tritanopia (blue-blind)

#00656C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #21588f;
/* rgb */ color: rgb(33, 88, 143);
/* oklch */ color: oklch(45.3% 0.107 251.4);

Tailwind

colors: {
  custom: {
    50: '#6d86b0',
    500: '#21588f',
    950: '#000000',
  },
}

SCSS

$custom: #21588f;
$custom-light: #6d86b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21588f",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 143
  },
  "hsl": {
    "h": 210,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.45278,
    "c": 0.10684,
    "h": 251.4
  },
  "luminance": 0.09286
}

Semantic roles & 50–950 ramp

primary

#21588F

secondary

#BB8651

accent

#9442E6

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #21588F

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

Preview Lab → · Contrast checker → · Palette generator →