#3879C0#3879C0

#3879C0 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.129 H 252.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3879C0
RGB	rgb(56, 121, 192)
HSL	hsl(211, 55%, 49%)
HSV	hsv(211, 71%, 75%)
CMYK	cmyk(70.8%, 37%, 0%, 24.7%)
CIE-LAB	lab(49.88, 3.05, -43.19)
CIE-LCH	lch(49.88, 43.30, 274.04°)
OKLab	oklab(56.82% -0.0381 -0.1229)
OKLCH	oklch(56.82% 0.129 252.8)
XYZ	xyz(17.9792, 18.3193, 52.4474)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879C0 #C07F38

analogous

#38BDC0 #3879C0 #3B38C0

triadic

#3879C0 #C03879 #79C038

tetradic

#3879C0 #C038BD #C07F38 #38C03B

square

#3879C0 #C038BD #C07F38 #38C03B

split-complementary

#3879C0 #C03B38 #BDC038

monochromatic

#1C3D61 #2A5B91 #3879C0 #6498D2 #93B8DF

Accessibility & contrast

On white

4.50

#3879C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3879C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879C0

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879C0	#FFFFFF	#000000	##000000
##3879C0	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597EC3

Deuteranopia (green-blind)

#4571BF

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3879c0;
/* rgb */ color: rgb(56, 121, 192);
/* oklch */ color: oklch(56.8% 0.129 252.8);

Tailwind

colors: {
  custom: {
    50: '#7f9fd3',
    500: '#3879c0',
    950: '#000000',
  },
}

SCSS

$custom: #3879c0;
$custom-light: #7f9fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3879c0",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 192
  },
  "hsl": {
    "h": 211.324,
    "s": 54.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56816,
    "c": 0.12865,
    "h": 252.8
  },
  "luminance": 0.18321
}

Semantic roles & 50–950 ramp

primary

#3879C0

secondary

#CBAB89

accent

#974ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3879C0

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

Preview Lab → · Contrast checker → · Palette generator →