#21589C#21589C

#21589C is a mid, vivid cyan. Relative luminance 0.097; OKLCH L 46.1% C 0.125 H 255.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#21589C
RGB	rgb(33, 88, 156)
HSL	hsl(213, 65%, 37%)
HSV	hsv(213, 79%, 61%)
CMYK	cmyk(78.8%, 43.6%, 0%, 38.8%)
CIE-LAB	lab(37.30, 7.20, -42.15)
CIE-LCH	lch(37.30, 42.76, 279.69°)
OKLab	oklab(46.13% -0.0309 -0.1207)
OKLCH	oklch(46.13% 0.125 255.6)
XYZ	xyz(10.1154, 9.7019, 32.7856)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21589C #9C6521

analogous

#21959C #21589C #28219C

triadic

#21589C #9C2158 #589C21

tetradic

#21589C #9C2195 #9C6521 #219C28

square

#21589C #9C2195 #9C6521 #219C28

split-complementary

#21589C #9C2821 #959C21

monochromatic

#0C1F37 #163C69 #21589C #2C74CF #5B95DC

Accessibility & contrast

On white

7.14

#21589C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#21589C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21589C

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21589C	#FFFFFF	#000000	##FFFFFF
##21589C	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365E9F

Deuteranopia (green-blind)

#1F539B

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #21589c;
/* rgb */ color: rgb(33, 88, 156);
/* oklch */ color: oklch(46.1% 0.125 255.6);

Tailwind

colors: {
  custom: {
    50: '#6f86ba',
    500: '#21589c',
    950: '#000000',
  },
}

SCSS

$custom: #21589c;
$custom-light: #6f86ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21589c",
  "rgb": {
    "r": 33,
    "g": 88,
    "b": 156
  },
  "hsl": {
    "h": 213.171,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.46133,
    "c": 0.12457,
    "h": 255.6
  },
  "luminance": 0.09703
}

Semantic roles & 50–950 ramp

primary

#21589C

secondary

#C19258

accent

#9D40E8

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #21589C

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

Preview Lab → · Contrast checker → · Palette generator →