#21728D#21728D

#21728D is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.7% C 0.086 H 224.9°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#21728D
RGB	rgb(33, 114, 141)
HSL	hsl(195, 62%, 34%)
HSV	hsv(195, 77%, 55%)
CMYK	cmyk(76.6%, 19.1%, 0%, 44.7%)
CIE-LAB	lab(44.63, -14.40, -21.65)
CIE-LCH	lch(44.63, 26.00, 236.37°)
OKLab	oklab(51.67% -0.0609 -0.0607)
OKLCH	oklch(51.67% 0.086 224.9)
XYZ	xyz(11.4503, 14.2797, 27.3469)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21728D #8D3C21

analogous

#218D72 #21728D #213C8D

triadic

#21728D #8D2172 #728D21

tetradic

#21728D #72218D #8D3C21 #3C8D21

square

#21728D #72218D #8D3C21 #3C8D21

split-complementary

#21728D #8D213C #8D7221

monochromatic

#0A222A #154A5B #21728D #2D9ABF #52B5D6

Accessibility & contrast

On white

5.45

#21728D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#21728D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21728D

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21728D	#FFFFFF	#000000	##FFFFFF
##21728D	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636F8E

Deuteranopia (green-blind)

#54658D

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21728d;
/* rgb */ color: rgb(33, 114, 141);
/* oklch */ color: oklch(51.7% 0.086 224.9);

Tailwind

colors: {
  custom: {
    50: '#6d9aae',
    500: '#21728d',
    950: '#000000',
  },
}

SCSS

$custom: #21728d;
$custom-light: #6d9aae;
$custom-dark: #000000;

JSON

{
  "hex": "#21728d",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 141
  },
  "hsl": {
    "h": 195,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5167,
    "c": 0.08598,
    "h": 224.9
  },
  "luminance": 0.14281
}

Semantic roles & 50–950 ramp

primary

#21728D

secondary

#BA6A50

accent

#6B43E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21728D

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

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