#21718E#21718E

#21718E is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.5% C 0.087 H 226.9°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#21718E
RGB	rgb(33, 113, 142)
HSL	hsl(196, 62%, 34%)
HSV	hsv(196, 77%, 56%)
CMYK	cmyk(76.8%, 20.4%, 0%, 44.3%)
CIE-LAB	lab(44.35, -13.48, -22.67)
CIE-LCH	lch(44.35, 26.38, 239.27°)
OKLab	oklab(51.46% -0.0595 -0.0636)
OKLCH	oklch(51.46% 0.087 226.9)
XYZ	xyz(11.4128, 14.0852, 27.7032)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21718E #8E3E21

analogous

#218E75 #21718E #213B8E

triadic

#21718E #8E2171 #718E21

tetradic

#21718E #75218E #8E3E21 #3B8E21

square

#21718E #75218E #8E3E21 #3B8E21

split-complementary

#21718E #8E213B #8E7521

monochromatic

#0A222B #15495C #21718E #2D99C0 #52B4D7

Accessibility & contrast

On white

5.50

#21718E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#21718E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21718E

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21718E	#FFFFFF	#000000	##FFFFFF
##21718E	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616F8F

Deuteranopia (green-blind)

#53648E

Tritanopia (blue-blind)

#00797B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #21718e;
/* rgb */ color: rgb(33, 113, 142);
/* oklch */ color: oklch(51.5% 0.087 226.9);

Tailwind

colors: {
  custom: {
    50: '#6d99af',
    500: '#21718e',
    950: '#000000',
  },
}

SCSS

$custom: #21718e;
$custom-light: #6d99af;
$custom-dark: #000000;

JSON

{
  "hex": "#21718e",
  "rgb": {
    "r": 33,
    "g": 113,
    "b": 142
  },
  "hsl": {
    "h": 195.963,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.51463,
    "c": 0.08709,
    "h": 226.9
  },
  "luminance": 0.14087
}

Semantic roles & 50–950 ramp

primary

#21718E

secondary

#BA6D50

accent

#6E42E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21718E

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

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