#21788F#21788F

#21788F is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.3% C 0.086 H 219.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#21788F
RGB	rgb(33, 120, 143)
HSL	hsl(193, 63%, 35%)
HSV	hsv(193, 77%, 56%)
CMYK	cmyk(76.9%, 16.1%, 0%, 43.9%)
CIE-LAB	lab(46.63, -17.05, -19.76)
CIE-LCH	lch(46.63, 26.10, 229.21°)
OKLab	oklab(53.3% -0.0663 -0.0552)
OKLCH	oklch(53.3% 0.086 219.8)
XYZ	xyz(12.2995, 15.7380, 28.3708)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21788F #8F3821

analogous

#218F6F #21788F #21418F

triadic

#21788F #8F2178 #788F21

tetradic

#21788F #6F218F #8F3821 #418F21

square

#21788F #6F218F #8F3821 #418F21

split-complementary

#21788F #8F2141 #8F6F21

monochromatic

#0A252C #164E5D #21788F #2CA2C1 #53BCD7

Accessibility & contrast

On white

5.06

#21788F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#21788F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21788F

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21788F	#FFFFFF	#000000	##FFFFFF
##21788F	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7590

Deuteranopia (green-blind)

#5B6A8F

Tritanopia (blue-blind)

#00807F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #21788f;
/* rgb */ color: rgb(33, 120, 143);
/* oklch */ color: oklch(53.3% 0.086 219.8);

Tailwind

colors: {
  custom: {
    50: '#6e9faf',
    500: '#21788f',
    950: '#000000',
  },
}

SCSS

$custom: #21788f;
$custom-light: #6e9faf;
$custom-dark: #000000;

JSON

{
  "hex": "#21788f",
  "rgb": {
    "r": 33,
    "g": 120,
    "b": 143
  },
  "hsl": {
    "h": 192.545,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.533,
    "c": 0.08631,
    "h": 219.8
  },
  "luminance": 0.15739
}

Semantic roles & 50–950 ramp

primary

#21788F

secondary

#BB6751

accent

#6442E6

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21788F

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

Preview Lab → · Contrast checker → · Palette generator →