#21788C#21788C

#21788C is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.2% C 0.085 H 216.9°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#21788C
RGB	rgb(33, 120, 140)
HSL	hsl(191, 62%, 34%)
HSV	hsv(191, 76%, 55%)
CMYK	cmyk(76.4%, 14.3%, 0%, 45.1%)
CIE-LAB	lab(46.51, -18.08, -18.17)
CIE-LCH	lch(46.51, 25.63, 225.14°)
OKLab	oklab(53.16% -0.0676 -0.0507)
OKLCH	oklch(53.16% 0.085 216.9)
XYZ	xyz(12.0753, 15.6483, 27.1899)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21788C #8C3521

analogous

#218C6B #21788C #21438C

triadic

#21788C #8C2178 #788C21

tetradic

#21788C #6B218C #8C3521 #438C21

square

#21788C #6B218C #8C3521 #438C21

split-complementary

#21788C #8C2143 #8C6B21

monochromatic

#0A2329 #154E5A #21788C #2DA2BE #51BDD6

Accessibility & contrast

On white

5.08

#21788C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#21788C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21788C

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21788C	#FFFFFF	#000000	##FFFFFF
##21788C	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B748D

Deuteranopia (green-blind)

#5C6A8C

Tritanopia (blue-blind)

#007F7E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #21788c;
/* rgb */ color: rgb(33, 120, 140);
/* oklch */ color: oklch(53.2% 0.085 216.9);

Tailwind

colors: {
  custom: {
    50: '#6e9fad',
    500: '#21788c',
    950: '#000000',
  },
}

SCSS

$custom: #21788c;
$custom-light: #6e9fad;
$custom-dark: #000000;

JSON

{
  "hex": "#21788c",
  "rgb": {
    "r": 33,
    "g": 120,
    "b": 140
  },
  "hsl": {
    "h": 191.215,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.53165,
    "c": 0.0845,
    "h": 216.9
  },
  "luminance": 0.1565
}

Semantic roles & 50–950 ramp

primary

#21788C

secondary

#B9634F

accent

#6143E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21788C

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

Preview Lab → · Contrast checker → · Palette generator →