#3879C5#3879C5

#3879C5 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.1% C 0.135 H 254.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3879C5
RGB	rgb(56, 121, 197)
HSL	hsl(212, 56%, 50%)
HSV	hsv(212, 72%, 77%)
CMYK	cmyk(71.6%, 38.6%, 0%, 22.7%)
CIE-LAB	lab(50.15, 4.86, -45.63)
CIE-LCH	lch(50.15, 45.89, 276.08°)
OKLab	oklab(57.11% -0.0369 -0.13)
OKLCH	oklch(57.11% 0.135 254.2)
XYZ	xyz(18.5426, 18.5447, 55.4147)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879C5 #C58438

analogous

#38C0C5 #3879C5 #3D38C5

triadic

#3879C5 #C53879 #79C538

tetradic

#3879C5 #C538C0 #C58438 #38C53D

square

#3879C5 #C538C0 #C58438 #38C53D

split-complementary

#3879C5 #C53D38 #C0C538

monochromatic

#1D3E66 #2A5C95 #3879C5 #6799D4 #96B9E1

Accessibility & contrast

On white

4.46

#3879C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3879C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879C5

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879C5	#FFFFFF	#000000	##000000
##3879C5	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#567EC8

Deuteranopia (green-blind)

#4071C3

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3879c5;
/* rgb */ color: rgb(56, 121, 197);
/* oklch */ color: oklch(57.1% 0.135 254.2);

Tailwind

colors: {
  custom: {
    50: '#809fd7',
    500: '#3879c5',
    950: '#000000',
  },
}

SCSS

$custom: #3879c5;
$custom-light: #809fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3879c5",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 197
  },
  "hsl": {
    "h": 212.34,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57113,
    "c": 0.13516,
    "h": 254.2
  },
  "luminance": 0.18547
}

Semantic roles & 50–950 ramp

primary

#3879C5

secondary

#CDAF8C

accent

#9A49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3879C5

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

Preview Lab → · Contrast checker → · Palette generator →