#21859E#21859E

#21859E is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.3% C 0.095 H 219.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#21859E
RGB	rgb(33, 133, 158)
HSL	hsl(192, 65%, 37%)
HSV	hsv(192, 79%, 62%)
CMYK	cmyk(79.1%, 15.8%, 0%, 38%)
CIE-LAB	lab(51.34, -18.97, -21.31)
CIE-LCH	lch(51.34, 28.53, 228.33°)
OKLab	oklab(57.29% -0.0734 -0.0596)
OKLCH	oklch(57.29% 0.095 219.1)
XYZ	xyz(15.1837, 19.5651, 35.3173)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21859E #9E3A21

analogous

#219E79 #21859E #21479E

triadic

#21859E #9E2185 #859E21

tetradic

#21859E #79219E #9E3A21 #479E21

square

#21859E #79219E #9E3A21 #479E21

split-complementary

#21859E #9E2147 #9E7921

monochromatic

#0C3039 #165A6B #21859E #2CB0D1 #5CC3DD

Accessibility & contrast

On white

4.27

#21859E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#21859E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21859E

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21859E	#FFFFFF	#000000	##000000
##21859E	1.00	4.27	4.91	4.91
#FFFFFF	4.27	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)

#75819F

Deuteranopia (green-blind)

#65759E

Tritanopia (blue-blind)

#008D8D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #21859e;
/* rgb */ color: rgb(33, 133, 158);
/* oklch */ color: oklch(57.3% 0.095 219.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21859e",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 158
  },
  "hsl": {
    "h": 192,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.57286,
    "c": 0.09453,
    "h": 219.1
  },
  "luminance": 0.19567
}

Semantic roles & 50–950 ramp

primary

#21859E

secondary

#C16E59

accent

#613FE8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21859E

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

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