#21859D#21859D

#21859D is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.2% C 0.094 H 218.2°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#21859D
RGB	rgb(33, 133, 157)
HSL	hsl(192, 65%, 37%)
HSV	hsv(192, 79%, 62%)
CMYK	cmyk(79%, 15.3%, 0%, 38.4%)
CIE-LAB	lab(51.30, -19.31, -20.79)
CIE-LCH	lch(51.30, 28.37, 227.11°)
OKLab	oklab(57.24% -0.0738 -0.0581)
OKLCH	oklch(57.24% 0.094 218.2)
XYZ	xyz(15.0979, 19.5309, 34.8659)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21859D #9D3921

analogous

#219D77 #21859D #21479D

triadic

#21859D #9D2185 #859D21

tetradic

#21859D #77219D #9D3921 #479D21

square

#21859D #77219D #9D3921 #479D21

split-complementary

#21859D #9D2147 #9D7721

monochromatic

#0C2F38 #165A6A #21859D #2CB0D0 #5CC4DD

Accessibility & contrast

On white

4.28

#21859D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#21859D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21859D

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21859D	#FFFFFF	#000000	##000000
##21859D	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76819E

Deuteranopia (green-blind)

#65759D

Tritanopia (blue-blind)

#008D8D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #21859d;
/* rgb */ color: rgb(33, 133, 157);
/* oklch */ color: oklch(57.2% 0.094 218.2);

Tailwind

colors: {
  custom: {
    50: '#72a8ba',
    500: '#21859d',
    950: '#000000',
  },
}

SCSS

$custom: #21859d;
$custom-light: #72a8ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21859d",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 157
  },
  "hsl": {
    "h": 191.613,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.57242,
    "c": 0.09392,
    "h": 218.2
  },
  "luminance": 0.19533
}

Semantic roles & 50–950 ramp

primary

#21859D

secondary

#C16D59

accent

#6040E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21859D

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

Preview Lab → · Contrast checker → · Palette generator →