#21759E#21759E

#21759E is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.3% C 0.100 H 235.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#21759E
RGB	rgb(33, 117, 158)
HSL	hsl(200, 65%, 37%)
HSV	hsv(200, 79%, 62%)
CMYK	cmyk(79.1%, 25.9%, 0%, 38%)
CIE-LAB	lab(46.33, -10.01, -29.07)
CIE-LCH	lch(46.33, 30.75, 251.01°)
OKLab	oklab(53.27% -0.0575 -0.082)
OKLCH	oklch(53.27% 0.1 235)
XYZ	xyz(13.1576, 15.5129, 34.6420)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21759E #9E4A21

analogous

#219E89 #21759E #21379E

triadic

#21759E #9E2175 #759E21

tetradic

#21759E #89219E #9E4A21 #379E21

square

#21759E #89219E #9E4A21 #379E21

split-complementary

#21759E #9E2137 #9E8921

monochromatic

#0C2A39 #16506B #21759E #2C9AD1 #5CB3DD

Accessibility & contrast

On white

5.12

#21759E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#21759E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21759E

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21759E	#FFFFFF	#000000	##FFFFFF
##21759E	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6174A0

Deuteranopia (green-blind)

#50699D

Tritanopia (blue-blind)

#008083

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #21759e;
/* rgb */ color: rgb(33, 117, 158);
/* oklch */ color: oklch(53.3% 0.100 235.0);

Tailwind

colors: {
  custom: {
    50: '#709cbb',
    500: '#21759e',
    950: '#000000',
  },
}

SCSS

$custom: #21759e;
$custom-light: #709cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21759e",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 158
  },
  "hsl": {
    "h": 199.68,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.53274,
    "c": 0.10018,
    "h": 235
  },
  "luminance": 0.15515
}

Semantic roles & 50–950 ramp

primary

#21759E

secondary

#C17B59

accent

#773FE8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21759E

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

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