#3879BD#3879BD

#3879BD is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.6% C 0.125 H 251.8°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3879BD
RGB	rgb(56, 121, 189)
HSL	hsl(211, 54%, 48%)
HSV	hsv(211, 70%, 74%)
CMYK	cmyk(70.4%, 36%, 0%, 25.9%)
CIE-LAB	lab(49.72, 1.97, -41.72)
CIE-LCH	lch(49.72, 41.76, 272.71°)
OKLab	oklab(56.64% -0.0389 -0.1186)
OKLCH	oklch(56.64% 0.125 251.8)
XYZ	xyz(17.6502, 18.1877, 50.7146)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879BD #BD7C38

analogous

#38BBBD #3879BD #3A38BD

triadic

#3879BD #BD3879 #79BD38

tetradic

#3879BD #BD38BB #BD7C38 #38BD3A

square

#3879BD #BD38BB #BD7C38 #38BD3A

split-complementary

#3879BD #BD3A38 #BBBD38

monochromatic

#1C3D5F #2A5B8E #3879BD #6298D0 #91B7DE

Accessibility & contrast

On white

4.53

#3879BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3879BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879BD

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879BD	#FFFFFF	#000000	##000000
##3879BD	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC0

Deuteranopia (green-blind)

#4771BC

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3879bd;
/* rgb */ color: rgb(56, 121, 189);
/* oklch */ color: oklch(56.6% 0.125 251.8);

Tailwind

colors: {
  custom: {
    50: '#7e9fd1',
    500: '#3879bd',
    950: '#000000',
  },
}

SCSS

$custom: #3879bd;
$custom-light: #7e9fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3879bd",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 189
  },
  "hsl": {
    "h": 210.677,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5664,
    "c": 0.12478,
    "h": 251.8
  },
  "luminance": 0.1819
}

Semantic roles & 50–950 ramp

primary

#3879BD

secondary

#C9A987

accent

#964ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3879BD

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

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