#3877AD#3877AD

#3877AD is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.106 H 247.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3877AD
RGB	rgb(56, 119, 173)
HSL	hsl(208, 51%, 45%)
HSV	hsv(208, 68%, 68%)
CMYK	cmyk(67.6%, 31.2%, 0%, 32.2%)
CIE-LAB	lab(48.32, -2.52, -34.67)
CIE-LCH	lch(48.32, 34.76, 265.84°)
OKLab	oklab(55.28% -0.0414 -0.098)
OKLCH	oklch(55.28% 0.106 247.1)
XYZ	xyz(15.7677, 17.0499, 41.9870)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877AD #AD6E38

analogous

#38ADA8 #3877AD #383DAD

triadic

#3877AD #AD3877 #77AD38

tetradic

#3877AD #A838AD #AD6E38 #3DAD38

square

#3877AD #A838AD #AD6E38 #3DAD38

split-complementary

#3877AD #AD383D #ADA838

monochromatic

#1A3751 #29577F #3877AD #5995C9 #87B3D8

Accessibility & contrast

On white

4.76

#3877AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3877AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3877AD

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877AD	#FFFFFF	#000000	##FFFFFF
##3877AD	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F79AF

Deuteranopia (green-blind)

#4F6EAC

Tritanopia (blue-blind)

#00848A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3877ad;
/* rgb */ color: rgb(56, 119, 173);
/* oklch */ color: oklch(55.3% 0.106 247.1);

Tailwind

colors: {
  custom: {
    50: '#7b9ec5',
    500: '#3877ad',
    950: '#000000',
  },
}

SCSS

$custom: #3877ad;
$custom-light: #7b9ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3877ad",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 173
  },
  "hsl": {
    "h": 207.692,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55276,
    "c": 0.10643,
    "h": 247.1
  },
  "luminance": 0.17052
}

Semantic roles & 50–950 ramp

primary

#3877AD

secondary

#C29E7F

accent

#8E4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3877AD

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

Preview Lab → · Contrast checker → · Palette generator →