#21869B#21869B

#21869B is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.4% C 0.093 H 215.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#21869B
RGB	rgb(33, 134, 155)
HSL	hsl(190, 65%, 37%)
HSV	hsv(190, 79%, 61%)
CMYK	cmyk(78.7%, 13.5%, 0%, 39.2%)
CIE-LAB	lab(51.54, -20.52, -19.26)
CIE-LCH	lch(51.54, 28.15, 223.19°)
OKLab	oklab(57.41% -0.0756 -0.0538)
OKLCH	oklch(57.41% 0.093 215.4)
XYZ	xyz(15.0662, 19.7382, 34.0198)
Luminance	0.1974 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21869B #9B3621

analogous

#219B73 #21869B #21499B

triadic

#21869B #9B2186 #869B21

tetradic

#21869B #73219B #9B3621 #499B21

square

#21869B #73219B #9B3621 #499B21

split-complementary

#21869B #9B2149 #9B7321

monochromatic

#0C2F36 #165A69 #21869B #2CB2CD #5AC6DC

Accessibility & contrast

On white

4.24

#21869B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#21869B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21869B

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21869B	#FFFFFF	#000000	##000000
##21869B	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77829C

Deuteranopia (green-blind)

#67769B

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #21869b;
/* rgb */ color: rgb(33, 134, 155);
/* oklch */ color: oklch(57.4% 0.093 215.4);

Tailwind

colors: {
  custom: {
    50: '#71a9b8',
    500: '#21869b',
    950: '#000000',
  },
}

SCSS

$custom: #21869b;
$custom-light: #71a9b8;
$custom-dark: #000000;

JSON

{
  "hex": "#21869b",
  "rgb": {
    "r": 33,
    "g": 134,
    "b": 155
  },
  "hsl": {
    "h": 190.328,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.57407,
    "c": 0.09279,
    "h": 215.4
  },
  "luminance": 0.1974
}

Semantic roles & 50–950 ramp

primary

#21869B

secondary

#C06A58

accent

#5D40E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #21869B

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

Preview Lab → · Contrast checker → · Palette generator →