#3877C9#3877C9

#3877C9 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.9% C 0.143 H 256.1°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3877C9
RGB	rgb(56, 119, 201)
HSL	hsl(214, 57%, 50%)
HSV	hsv(214, 72%, 79%)
CMYK	cmyk(72.1%, 40.8%, 0%, 21.2%)
CIE-LAB	lab(49.80, 7.54, -48.48)
CIE-LCH	lch(49.80, 49.06, 278.84°)
OKLab	oklab(56.91% -0.0341 -0.1384)
OKLCH	oklch(56.91% 0.143 256.1)
XYZ	xyz(18.7665, 18.2494, 57.7805)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877C9 #C98A38

analogous

#38BFC9 #3877C9 #4138C9

triadic

#3877C9 #C93877 #77C938

tetradic

#3877C9 #C938BF #C98A38 #38C941

square

#3877C9 #C938BF #C98A38 #38C941

split-complementary

#3877C9 #C94138 #BFC938

monochromatic

#1D3E6A #2A5B9A #3877C9 #6898D6 #98B9E3

Accessibility & contrast

On white

4.52

#3877C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3877C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877C9

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877C9	#FFFFFF	#000000	##000000
##3877C9	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507ECC

Deuteranopia (green-blind)

#3870C7

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3877c9;
/* rgb */ color: rgb(56, 119, 201);
/* oklch */ color: oklch(56.9% 0.143 256.1);

Tailwind

colors: {
  custom: {
    50: '#809dda',
    500: '#3877c9',
    950: '#000000',
  },
}

SCSS

$custom: #3877c9;
$custom-light: #809dda;
$custom-dark: #000000;

JSON

{
  "hex": "#3877c9",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 201
  },
  "hsl": {
    "h": 213.931,
    "s": 57.312,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56911,
    "c": 0.14256,
    "h": 256.1
  },
  "luminance": 0.18251
}

Semantic roles & 50–950 ramp

primary

#3877C9

secondary

#CFB38E

accent

#9E47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3877C9

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

Preview Lab → · Contrast checker → · Palette generator →