#3879C8#3879C8

#3879C8 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.3% C 0.139 H 254.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3879C8
RGB	rgb(56, 121, 200)
HSL	hsl(213, 57%, 50%)
HSV	hsv(213, 72%, 78%)
CMYK	cmyk(72%, 39.5%, 0%, 21.6%)
CIE-LAB	lab(50.31, 5.95, -47.08)
CIE-LCH	lch(50.31, 47.46, 277.20°)
OKLab	oklab(57.29% -0.0362 -0.1343)
OKLCH	oklch(57.29% 0.139 254.9)
XYZ	xyz(18.8897, 18.6836, 57.2431)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879C8 #C88738

analogous

#38C1C8 #3879C8 #3F38C8

triadic

#3879C8 #C83879 #79C838

tetradic

#3879C8 #C838C1 #C88738 #38C83F

square

#3879C8 #C838C1 #C88738 #38C83F

split-complementary

#3879C8 #C83F38 #C1C838

monochromatic

#1D3F69 #2A5C99 #3879C8 #6899D5 #98BAE3

Accessibility & contrast

On white

4.43

#3879C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3879C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879C8

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879C8	#FFFFFF	#000000	##000000
##3879C8	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547FCB

Deuteranopia (green-blind)

#3D72C6

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3879c8;
/* rgb */ color: rgb(56, 121, 200);
/* oklch */ color: oklch(57.3% 0.139 254.9);

Tailwind

colors: {
  custom: {
    50: '#809fd9',
    500: '#3879c8',
    950: '#000000',
  },
}

SCSS

$custom: #3879c8;
$custom-light: #809fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3879c8",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 200
  },
  "hsl": {
    "h": 212.917,
    "s": 56.693,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57295,
    "c": 0.13907,
    "h": 254.9
  },
  "luminance": 0.18686
}

Semantic roles & 50–950 ramp

primary

#3879C8

secondary

#CEB18E

accent

#9B48E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3879C8

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

Preview Lab → · Contrast checker → · Palette generator →