#21588D#21588D

#21588D is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.2% C 0.104 H 250.6°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#21588D
RGB	rgb(33, 88, 141)
HSL	hsl(209, 62%, 34%)
HSV	hsv(209, 77%, 55%)
CMYK	cmyk(76.6%, 37.6%, 0%, 44.7%)
CIE-LAB	lab(36.41, 1.32, -34.51)
CIE-LCH	lch(36.41, 34.53, 272.19°)
OKLab	oklab(45.15% -0.0346 -0.0982)
OKLCH	oklch(45.15% 0.104 250.6)
XYZ	xyz(8.9228, 9.2248, 26.5044)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21588D #8D5621

analogous

#218D8C #21588D #21228D

triadic

#21588D #8D2158 #588D21

tetradic

#21588D #8C218D #8D5621 #228D21

square

#21588D #8C218D #8D5621 #228D21

split-complementary

#21588D #8D2122 #8D8C21

monochromatic

#0A1A2A #15395B #21588D #2D77BF #5295D6

Accessibility & contrast

On white

7.38

#21588D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#21588D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21588D

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21588D	#FFFFFF	#000000	##FFFFFF
##21588D	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5B8F

Deuteranopia (green-blind)

#2F518C

Tritanopia (blue-blind)

#00656B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #21588d;
/* rgb */ color: rgb(33, 88, 141);
/* oklch */ color: oklch(45.2% 0.104 250.6);

Tailwind

colors: {
  custom: {
    50: '#6c86ae',
    500: '#21588d',
    950: '#000000',
  },
}

SCSS

$custom: #21588d;
$custom-light: #6c86ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21588d",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 141
  },
  "hsl": {
    "h": 209.444,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.45152,
    "c": 0.10415,
    "h": 250.6
  },
  "luminance": 0.09226
}

Semantic roles & 50–950 ramp

primary

#21588D

secondary

#BA8450

accent

#9243E5

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #21588D

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

Preview Lab → · Contrast checker → · Palette generator →