#3877C4#3877C4

#3877C4 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.6% C 0.136 H 255.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3877C4
RGB	rgb(56, 119, 196)
HSL	hsl(213, 56%, 49%)
HSV	hsv(213, 71%, 77%)
CMYK	cmyk(71.4%, 39.3%, 0%, 23.1%)
CIE-LAB	lab(49.52, 5.72, -46.06)
CIE-LCH	lch(49.52, 46.42, 277.08°)
OKLab	oklab(56.6% -0.0353 -0.1313)
OKLCH	oklch(56.6% 0.136 255)
XYZ	xyz(18.1879, 18.0180, 54.7331)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877C4 #C48538

analogous

#38BDC4 #3877C4 #3F38C4

triadic

#3877C4 #C43877 #77C438

tetradic

#3877C4 #C438BD #C48538 #38C43F

square

#3877C4 #C438BD #C48538 #38C43F

split-complementary

#3877C4 #C43F38 #BDC438

monochromatic

#1D3D65 #2A5A94 #3877C4 #6697D3 #96B7E1

Accessibility & contrast

On white

4.56

#3877C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3877C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877C4

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877C4	#FFFFFF	#000000	##000000
##3877C4	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537DC7

Deuteranopia (green-blind)

#3E70C2

Tritanopia (blue-blind)

#008994

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3877c4;
/* rgb */ color: rgb(56, 119, 196);
/* oklch */ color: oklch(56.6% 0.136 255.0);

Tailwind

colors: {
  custom: {
    50: '#7f9dd6',
    500: '#3877c4',
    950: '#000000',
  },
}

SCSS

$custom: #3877c4;
$custom-light: #7f9dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3877c4",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 196
  },
  "hsl": {
    "h": 213,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56603,
    "c": 0.13597,
    "h": 255
  },
  "luminance": 0.1802
}

Semantic roles & 50–950 ramp

primary

#3877C4

secondary

#CCAF8C

accent

#9B49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3877C4

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

Preview Lab → · Contrast checker → · Palette generator →