#3879BA#3879BA

#3879BA is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.5% C 0.121 H 250.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3879BA
RGB	rgb(56, 121, 186)
HSL	hsl(210, 54%, 47%)
HSV	hsv(210, 70%, 73%)
CMYK	cmyk(69.9%, 34.9%, 0%, 27.1%)
CIE-LAB	lab(49.57, 0.89, -40.24)
CIE-LCH	lch(49.57, 40.25, 271.27°)
OKLab	oklab(56.47% -0.0397 -0.1142)
OKLCH	oklch(56.47% 0.121 250.8)
XYZ	xyz(17.3279, 18.0588, 49.0173)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879BA #BA7938

analogous

#38BABA #3879BA #3838BA

triadic

#3879BA #BA3879 #79BA38

tetradic

#3879BA #BA38BA #BA7938 #38BA38

square

#3879BA #BA38BA #BA7938 #38BA38

split-complementary

#3879BA #BA3838 #BABA38

monochromatic

#1C3C5C #2A5A8B #3879BA #6098CF #8FB6DD

Accessibility & contrast

On white

4.55

#3879BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3879BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879BA

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879BA	#FFFFFF	#000000	##000000
##3879BA	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7DBD

Deuteranopia (green-blind)

#4970B9

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3879ba;
/* rgb */ color: rgb(56, 121, 186);
/* oklch */ color: oklch(56.5% 0.121 250.8);

Tailwind

colors: {
  custom: {
    50: '#7e9fcf',
    500: '#3879ba',
    950: '#000000',
  },
}

SCSS

$custom: #3879ba;
$custom-light: #7e9fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3879ba",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 186
  },
  "hsl": {
    "h": 210,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56468,
    "c": 0.12094,
    "h": 250.8
  },
  "luminance": 0.18061
}

Semantic roles & 50–950 ramp

primary

#3879BA

secondary

#C8A786

accent

#944BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3879BA

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

Preview Lab → · Contrast checker → · Palette generator →