#3779C8#3779C8

#3779C8 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.3% C 0.139 H 254.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3779C8
RGB	rgb(55, 121, 200)
HSL	hsl(213, 57%, 50%)
HSV	hsv(213, 73%, 78%)
CMYK	cmyk(72.5%, 39.5%, 0%, 21.6%)
CIE-LAB	lab(50.28, 5.81, -47.14)
CIE-LCH	lch(50.28, 47.49, 277.02°)
OKLab	oklab(57.26% -0.0369 -0.1344)
OKLCH	oklch(57.26% 0.139 254.7)
XYZ	xyz(18.8344, 18.6550, 57.2405)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779C8 #C88637

analogous

#37C1C8 #3779C8 #3E37C8

triadic

#3779C8 #C83779 #79C837

tetradic

#3779C8 #C837C1 #C88637 #37C83E

square

#3779C8 #C837C1 #C88637 #37C83E

split-complementary

#3779C8 #C83E37 #C1C837

monochromatic

#1D3F68 #2A5C98 #3779C8 #6799D5 #97B9E2

Accessibility & contrast

On white

4.44

#3779C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3779C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3779C8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779C8	#FFFFFF	#000000	##000000
##3779C8	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547FCB

Deuteranopia (green-blind)

#3D71C6

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3779c8;
/* rgb */ color: rgb(55, 121, 200);
/* oklch */ color: oklch(57.3% 0.139 254.7);

Tailwind

colors: {
  custom: {
    50: '#809fd9',
    500: '#3779c8',
    950: '#000000',
  },
}

SCSS

$custom: #3779c8;
$custom-light: #809fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3779c8",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 200
  },
  "hsl": {
    "h": 212.69,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.5726,
    "c": 0.13941,
    "h": 254.7
  },
  "luminance": 0.18657
}

Semantic roles & 50–950 ramp

primary

#3779C8

secondary

#CEB08D

accent

#9B48E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3779C8

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

Preview Lab → · Contrast checker → · Palette generator →