#3879B7#3879B7

#3879B7 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.3% C 0.117 H 249.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3879B7
RGB	rgb(56, 121, 183)
HSL	hsl(209, 53%, 47%)
HSV	hsv(209, 69%, 72%)
CMYK	cmyk(69.4%, 33.9%, 0%, 28.2%)
CIE-LAB	lab(49.41, -0.18, -38.75)
CIE-LCH	lch(49.41, 38.75, 269.74°)
OKLab	oklab(56.3% -0.0405 -0.1099)
OKLCH	oklch(56.3% 0.117 249.7)
XYZ	xyz(17.0123, 17.9326, 47.3553)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879B7 #B77638

analogous

#38B7B6 #3879B7 #383AB7

triadic

#3879B7 #B73879 #79B738

tetradic

#3879B7 #B638B7 #B77638 #3AB738

square

#3879B7 #B638B7 #B77638 #3AB738

split-complementary

#3879B7 #B7383A #B7B638

monochromatic

#1B3B59 #2A5A88 #3879B7 #5E97CE #8DB6DC

Accessibility & contrast

On white

4.58

#3879B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3879B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879B7

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879B7	#FFFFFF	#000000	##000000
##3879B7	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7CBA

Deuteranopia (green-blind)

#4B70B6

Tritanopia (blue-blind)

#00888F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3879b7;
/* rgb */ color: rgb(56, 121, 183);
/* oklch */ color: oklch(56.3% 0.117 249.7);

Tailwind

colors: {
  custom: {
    50: '#7d9fcd',
    500: '#3879b7',
    950: '#000000',
  },
}

SCSS

$custom: #3879b7;
$custom-light: #7d9fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3879b7",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 183
  },
  "hsl": {
    "h": 209.291,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56297,
    "c": 0.11712,
    "h": 249.7
  },
  "luminance": 0.17934
}

Semantic roles & 50–950 ramp

primary

#3879B7

secondary

#C7A584

accent

#924BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3879B7

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

Preview Lab → · Contrast checker → · Palette generator →