#3877C6#3877C6

#3877C6 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.139 H 255.5°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3877C6
RGB	rgb(56, 119, 198)
HSL	hsl(213, 56%, 50%)
HSV	hsv(213, 72%, 78%)
CMYK	cmyk(71.7%, 39.9%, 0%, 22.4%)
CIE-LAB	lab(49.63, 6.45, -47.03)
CIE-LCH	lch(49.63, 47.47, 277.81°)
OKLab	oklab(56.73% -0.0348 -0.1342)
OKLCH	oklch(56.73% 0.139 255.5)
XYZ	xyz(18.4170, 18.1096, 55.9400)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877C6 #C68738

analogous

#38BEC6 #3877C6 #4038C6

triadic

#3877C6 #C63877 #77C638

tetradic

#3877C6 #C638BE #C68738 #38C640

square

#3877C6 #C638BE #C68738 #38C640

split-complementary

#3877C6 #C64038 #BEC638

monochromatic

#1D3E67 #2B5A96 #3877C6 #6797D4 #97B8E2

Accessibility & contrast

On white

4.54

#3877C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3877C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877C6

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877C6	#FFFFFF	#000000	##000000
##3877C6	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527DC9

Deuteranopia (green-blind)

#3C70C4

Tritanopia (blue-blind)

#008995

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3877c6;
/* rgb */ color: rgb(56, 119, 198);
/* oklch */ color: oklch(56.7% 0.139 255.5);

Tailwind

colors: {
  custom: {
    50: '#809dd8',
    500: '#3877c6',
    950: '#000000',
  },
}

SCSS

$custom: #3877c6;
$custom-light: #809dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3877c6",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 198
  },
  "hsl": {
    "h": 213.38,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56725,
    "c": 0.1386,
    "h": 255.5
  },
  "luminance": 0.18112
}

Semantic roles & 50–950 ramp

primary

#3877C6

secondary

#CDB18D

accent

#9C49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3877C6

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

Preview Lab → · Contrast checker → · Palette generator →