#3877AA#3877AA

#3877AA is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.1% C 0.103 H 245.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3877AA
RGB	rgb(56, 119, 170)
HSL	hsl(207, 50%, 44%)
HSV	hsv(207, 67%, 67%)
CMYK	cmyk(67.1%, 30%, 0%, 33.3%)
CIE-LAB	lab(48.18, -3.57, -33.15)
CIE-LCH	lch(48.18, 33.34, 263.85°)
OKLab	oklab(55.12% -0.0424 -0.0936)
OKLCH	oklch(55.12% 0.103 245.7)
XYZ	xyz(15.4807, 16.9351, 40.4754)
Luminance	0.1694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3877AA #AA6B38

analogous

#38AAA4 #3877AA #383EAA

triadic

#3877AA #AA3877 #77AA38

tetradic

#3877AA #A438AA #AA6B38 #3EAA38

square

#3877AA #A438AA #AA6B38 #3EAA38

split-complementary

#3877AA #AA383E #AAA438

monochromatic

#1A374E #29577C #3877AA #5796C8 #85B2D7

Accessibility & contrast

On white

4.79

#3877AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3877AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3877AA

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3877AA	#FFFFFF	#000000	##FFFFFF
##3877AA	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6078AC

Deuteranopia (green-blind)

#516DA9

Tritanopia (blue-blind)

#008389

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3877aa;
/* rgb */ color: rgb(56, 119, 170);
/* oklch */ color: oklch(55.1% 0.103 245.7);

Tailwind

colors: {
  custom: {
    50: '#7b9ec3',
    500: '#3877aa',
    950: '#000000',
  },
}

SCSS

$custom: #3877aa;
$custom-light: #7b9ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#3877aa",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 170
  },
  "hsl": {
    "h": 206.842,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55115,
    "c": 0.10276,
    "h": 245.7
  },
  "luminance": 0.16937
}

Semantic roles & 50–950 ramp

primary

#3877AA

secondary

#C19B7D

accent

#8D4EDA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3877AA

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

Preview Lab → · Contrast checker → · Palette generator →