#21778C#21778C

#21778C is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 52.9% C 0.085 H 218.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#21778C
RGB	rgb(33, 119, 140)
HSL	hsl(192, 62%, 34%)
HSV	hsv(192, 76%, 55%)
CMYK	cmyk(76.4%, 15%, 0%, 45.1%)
CIE-LAB	lab(46.19, -17.53, -18.66)
CIE-LCH	lch(46.19, 25.61, 226.78°)
OKLab	oklab(52.91% -0.0665 -0.0521)
OKLCH	oklch(52.91% 0.085 218.1)
XYZ	xyz(11.9557, 15.4090, 27.1500)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21778C #8C3621

analogous

#218C6C #21778C #21428C

triadic

#21778C #8C2177 #778C21

tetradic

#21778C #6C218C #8C3621 #428C21

square

#21778C #6C218C #8C3621 #428C21

split-complementary

#21778C #8C2142 #8C6C21

monochromatic

#0A2329 #154D5A #21778C #2DA1BE #51BCD6

Accessibility & contrast

On white

5.14

#21778C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#21778C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21778C

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21778C	#FFFFFF	#000000	##FFFFFF
##21778C	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A738D

Deuteranopia (green-blind)

#5B698C

Tritanopia (blue-blind)

#007E7E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #21778c;
/* rgb */ color: rgb(33, 119, 140);
/* oklch */ color: oklch(52.9% 0.085 218.1);

Tailwind

colors: {
  custom: {
    50: '#6e9ead',
    500: '#21778c',
    950: '#000000',
  },
}

SCSS

$custom: #21778c;
$custom-light: #6e9ead;
$custom-dark: #000000;

JSON

{
  "hex": "#21778c",
  "rgb": {
    "r": 33,
    "g": 119,
    "b": 140
  },
  "hsl": {
    "h": 191.776,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.52907,
    "c": 0.08451,
    "h": 218.1
  },
  "luminance": 0.1541
}

Semantic roles & 50–950 ramp

primary

#21778C

secondary

#B9644F

accent

#6343E5

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #21778C

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

Preview Lab → · Contrast checker → · Palette generator →