#3879B8#3879B8

#3879B8 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.118 H 250.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3879B8
RGB	rgb(56, 121, 184)
HSL	hsl(210, 53%, 47%)
HSV	hsv(210, 70%, 72%)
CMYK	cmyk(69.6%, 34.2%, 0%, 27.8%)
CIE-LAB	lab(49.47, 0.18, -39.24)
CIE-LCH	lch(49.47, 39.24, 270.26°)
OKLab	oklab(56.35% -0.0403 -0.1113)
OKLCH	oklch(56.35% 0.118 250.1)
XYZ	xyz(17.1168, 17.9744, 47.9054)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879B8 #B87738

analogous

#38B8B7 #3879B8 #3839B8

triadic

#3879B8 #B83879 #79B838

tetradic

#3879B8 #B738B8 #B87738 #39B838

square

#3879B8 #B738B8 #B87738 #39B838

split-complementary

#3879B8 #B83839 #B8B738

monochromatic

#1B3B5A #2A5A89 #3879B8 #5F97CE #8EB6DD

Accessibility & contrast

On white

4.57

#3879B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3879B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879B8

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879B8	#FFFFFF	#000000	##000000
##3879B8	1.00	4.57	4.60	4.60
#FFFFFF	4.57	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)

#5D7CBB

Deuteranopia (green-blind)

#4B70B7

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3879b8;
/* rgb */ color: rgb(56, 121, 184);
/* oklch */ color: oklch(56.4% 0.118 250.1);

Tailwind

colors: {
  custom: {
    50: '#7d9fcd',
    500: '#3879b8',
    950: '#000000',
  },
}

SCSS

$custom: #3879b8;
$custom-light: #7d9fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3879b8",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 184
  },
  "hsl": {
    "h": 209.531,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.56354,
    "c": 0.1184,
    "h": 250.1
  },
  "luminance": 0.17976
}

Semantic roles & 50–950 ramp

primary

#3879B8

secondary

#C7A585

accent

#934BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3879B8

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

Preview Lab → · Contrast checker → · Palette generator →