#3877C5#3877C5

#3877C5 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.137 H 255.2°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3877C5
RGB	rgb(56, 119, 197)
HSL	hsl(213, 56%, 50%)
HSV	hsv(213, 72%, 77%)
CMYK	cmyk(71.6%, 39.6%, 0%, 22.7%)
CIE-LAB	lab(49.57, 6.09, -46.55)
CIE-LCH	lch(49.57, 46.94, 277.45°)
OKLab	oklab(56.66% -0.035 -0.1327)
OKLCH	oklch(56.66% 0.137 255.2)
XYZ	xyz(18.3020, 18.0636, 55.3346)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877C5 #C58638

analogous

#38BEC5 #3877C5 #3F38C5

triadic

#3877C5 #C53877 #77C538

tetradic

#3877C5 #C538BE #C58638 #38C53F

square

#3877C5 #C538BE #C58638 #38C53F

split-complementary

#3877C5 #C53F38 #BEC538

monochromatic

#1D3D66 #2A5A95 #3877C5 #6797D4 #96B8E1

Accessibility & contrast

On white

4.55

#3877C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3877C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877C5

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877C5	#FFFFFF	#000000	##000000
##3877C5	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537DC8

Deuteranopia (green-blind)

#3D70C3

Tritanopia (blue-blind)

#008994

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3877c5;
/* rgb */ color: rgb(56, 119, 197);
/* oklch */ color: oklch(56.7% 0.137 255.2);

Tailwind

colors: {
  custom: {
    50: '#809dd7',
    500: '#3877c5',
    950: '#000000',
  },
}

SCSS

$custom: #3877c5;
$custom-light: #809dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3877c5",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 197
  },
  "hsl": {
    "h": 213.191,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56664,
    "c": 0.13728,
    "h": 255.2
  },
  "luminance": 0.18066
}

Semantic roles & 50–950 ramp

primary

#3877C5

secondary

#CDB08C

accent

#9C49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3877C5

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

Preview Lab → · Contrast checker → · Palette generator →