#21589D#21589D

#21589D is a mid, vivid cyan. Relative luminance 0.097; OKLCH L 46.2% C 0.126 H 255.9°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#21589D
RGB	rgb(33, 88, 157)
HSL	hsl(213, 65%, 37%)
HSV	hsv(213, 79%, 62%)
CMYK	cmyk(79%, 43.9%, 0%, 38.4%)
CIE-LAB	lab(37.36, 7.59, -42.65)
CIE-LCH	lch(37.36, 43.32, 280.09°)
OKLab	oklab(46.2% -0.0307 -0.1221)
OKLCH	oklch(46.2% 0.126 255.9)
XYZ	xyz(10.2005, 9.7359, 33.2334)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21589D #9D6621

analogous

#21969D #21589D #28219D

triadic

#21589D #9D2158 #589D21

tetradic

#21589D #9D2196 #9D6621 #219D28

square

#21589D #9D2196 #9D6621 #219D28

split-complementary

#21589D #9D2821 #969D21

monochromatic

#0C1F38 #163C6A #21589D #2C74D0 #5C95DD

Accessibility & contrast

On white

7.12

#21589D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#21589D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21589D

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21589D	#FFFFFF	#000000	##FFFFFF
##21589D	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA0

Deuteranopia (green-blind)

#1E539C

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #21589d;
/* rgb */ color: rgb(33, 88, 157);
/* oklch */ color: oklch(46.2% 0.126 255.9);

Tailwind

colors: {
  custom: {
    50: '#7086ba',
    500: '#21589d',
    950: '#000000',
  },
}

SCSS

$custom: #21589d;
$custom-light: #7086ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21589d",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 157
  },
  "hsl": {
    "h": 213.387,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46202,
    "c": 0.12594,
    "h": 255.9
  },
  "luminance": 0.09737
}

Semantic roles & 50–950 ramp

primary

#21589D

secondary

#C19359

accent

#9D40E8

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #21589D

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

Preview Lab → · Contrast checker → · Palette generator →