#377DC8#377DC8

#377DC8 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.135 H 252.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#377DC8
RGB	rgb(55, 125, 200)
HSL	hsl(211, 57%, 50%)
HSV	hsv(211, 73%, 78%)
CMYK	cmyk(72.5%, 37.5%, 0%, 21.6%)
CIE-LAB	lab(51.44, 3.37, -45.30)
CIE-LCH	lch(51.44, 45.43, 274.25°)
OKLab	oklab(58.16% -0.0406 -0.129)
OKLCH	oklch(58.16% 0.135 252.5)
XYZ	xyz(19.3306, 19.6474, 57.4059)
Luminance	0.1965 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377DC8 #C88237

analogous

#37C6C8 #377DC8 #3937C8

triadic

#377DC8 #C8377D #7DC837

tetradic

#377DC8 #C837C6 #C88237 #37C839

square

#377DC8 #C837C6 #C88237 #37C839

split-complementary

#377DC8 #C83937 #C6C837

monochromatic

#1D4168 #2A5F98 #377DC8 #679CD5 #97BBE2

Accessibility & contrast

On white

4.26

#377DC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#377DC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377DC8

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377DC8	#FFFFFF	#000000	##000000
##377DC8	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A82CB

Deuteranopia (green-blind)

#4574C7

Tritanopia (blue-blind)

#008F99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #377dc8;
/* rgb */ color: rgb(55, 125, 200);
/* oklch */ color: oklch(58.2% 0.135 252.5);

Tailwind

colors: {
  custom: {
    50: '#80a2d9',
    500: '#377dc8',
    950: '#000000',
  },
}

SCSS

$custom: #377dc8;
$custom-light: #80a2d9;
$custom-dark: #000000;

JSON

{
  "hex": "#377dc8",
  "rgb": {
    "r": 55,
    "g": 125,
    "b": 200
  },
  "hsl": {
    "h": 211.034,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.58161,
    "c": 0.13524,
    "h": 252.5
  },
  "luminance": 0.1965
}

Semantic roles & 50–950 ramp

primary

#377DC8

secondary

#CEAF8D

accent

#9748E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #377DC8

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

Preview Lab → · Contrast checker → · Palette generator →