#3879BE#3879BE

#3879BE is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.126 H 252.1°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3879BE
RGB	rgb(56, 121, 190)
HSL	hsl(211, 54%, 48%)
HSV	hsv(211, 71%, 75%)
CMYK	cmyk(70.5%, 36.3%, 0%, 25.5%)
CIE-LAB	lab(49.78, 2.33, -42.21)
CIE-LCH	lch(49.78, 42.27, 273.16°)
OKLab	oklab(56.7% -0.0386 -0.12)
OKLCH	oklch(56.7% 0.126 252.1)
XYZ	xyz(17.7591, 18.2313, 51.2883)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879BE #BE7D38

analogous

#38BCBE #3879BE #3A38BE

triadic

#3879BE #BE3879 #79BE38

tetradic

#3879BE #BE38BC #BE7D38 #38BE3A

square

#3879BE #BE38BC #BE7D38 #38BE3A

split-complementary

#3879BE #BE3A38 #BCBE38

monochromatic

#1C3D5F #2A5B8F #3879BE #6298D1 #92B7DF

Accessibility & contrast

On white

4.52

#3879BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3879BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879BE

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879BE	#FFFFFF	#000000	##000000
##3879BE	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC1

Deuteranopia (green-blind)

#4671BD

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3879be;
/* rgb */ color: rgb(56, 121, 190);
/* oklch */ color: oklch(56.7% 0.126 252.1);

Tailwind

colors: {
  custom: {
    50: '#7e9fd2',
    500: '#3879be',
    950: '#000000',
  },
}

SCSS

$custom: #3879be;
$custom-light: #7e9fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3879be",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 190
  },
  "hsl": {
    "h": 210.896,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56699,
    "c": 0.12607,
    "h": 252.1
  },
  "luminance": 0.18233
}

Semantic roles & 50–950 ramp

primary

#3879BE

secondary

#CAAA88

accent

#964ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3879BE

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

Preview Lab → · Contrast checker → · Palette generator →