#3879C7#3879C7

#3879C7 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.2% C 0.138 H 254.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3879C7
RGB	rgb(56, 121, 199)
HSL	hsl(213, 56%, 50%)
HSV	hsv(213, 72%, 78%)
CMYK	cmyk(71.9%, 39.2%, 0%, 22%)
CIE-LAB	lab(50.26, 5.58, -46.60)
CIE-LCH	lch(50.26, 46.93, 276.83°)
OKLab	oklab(57.24% -0.0364 -0.1329)
OKLCH	oklch(57.24% 0.138 254.7)
XYZ	xyz(18.7733, 18.6370, 56.6297)
Luminance	0.1864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879C7 #C78638

analogous

#38C1C7 #3879C7 #3E38C7

triadic

#3879C7 #C73879 #79C738

tetradic

#3879C7 #C738C1 #C78638 #38C73E

square

#3879C7 #C738C1 #C78638 #38C73E

split-complementary

#3879C7 #C73E38 #C1C738

monochromatic

#1D3F67 #2B5C97 #3879C7 #6899D4 #98B9E2

Accessibility & contrast

On white

4.44

#3879C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3879C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879C7

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879C7	#FFFFFF	#000000	##000000
##3879C7	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557FCA

Deuteranopia (green-blind)

#3E72C5

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3879c7;
/* rgb */ color: rgb(56, 121, 199);
/* oklch */ color: oklch(57.2% 0.138 254.7);

Tailwind

colors: {
  custom: {
    50: '#809fd8',
    500: '#3879c7',
    950: '#000000',
  },
}

SCSS

$custom: #3879c7;
$custom-light: #809fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3879c7",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 199
  },
  "hsl": {
    "h": 212.727,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.57235,
    "c": 0.13776,
    "h": 254.7
  },
  "luminance": 0.18639
}

Semantic roles & 50–950 ramp

primary

#3879C7

secondary

#CDB08D

accent

#9B48DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3879C7

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

Preview Lab → · Contrast checker → · Palette generator →