#21779B#21779B

#21779B is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.6% C 0.096 H 230.9°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#21779B
RGB	rgb(33, 119, 155)
HSL	hsl(198, 65%, 37%)
HSV	hsv(198, 79%, 61%)
CMYK	cmyk(78.7%, 23.2%, 0%, 39.2%)
CIE-LAB	lab(46.82, -12.25, -26.54)
CIE-LCH	lch(46.82, 29.23, 245.23°)
OKLab	oklab(53.62% -0.0606 -0.0747)
OKLCH	oklch(53.62% 0.096 230.9)
XYZ	xyz(13.1380, 15.8820, 33.3771)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21779B #9B4521

analogous

#219B82 #21779B #213A9B

triadic

#21779B #9B2177 #779B21

tetradic

#21779B #82219B #9B4521 #3A9B21

square

#21779B #82219B #9B4521 #3A9B21

split-complementary

#21779B #9B213A #9B8221

monochromatic

#0C2A36 #165069 #21779B #2C9ECD #5AB6DC

Accessibility & contrast

On white

5.03

#21779B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#21779B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21779B

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21779B	#FFFFFF	#000000	##FFFFFF
##21779B	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65759D

Deuteranopia (green-blind)

#546A9A

Tritanopia (blue-blind)

#008183

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #21779b;
/* rgb */ color: rgb(33, 119, 155);
/* oklch */ color: oklch(53.6% 0.096 230.9);

Tailwind

colors: {
  custom: {
    50: '#709eb8',
    500: '#21779b',
    950: '#000000',
  },
}

SCSS

$custom: #21779b;
$custom-light: #709eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#21779b",
  "rgb": {
    "r": 33,
    "g": 119,
    "b": 155
  },
  "hsl": {
    "h": 197.705,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.5362,
    "c": 0.09619,
    "h": 230.9
  },
  "luminance": 0.15884
}

Semantic roles & 50–950 ramp

primary

#21779B

secondary

#C07658

accent

#7140E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21779B

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

Preview Lab → · Contrast checker → · Palette generator →