#3879B9#3879B9

#3879B9 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.120 H 250.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3879B9
RGB	rgb(56, 121, 185)
HSL	hsl(210, 54%, 47%)
HSV	hsv(210, 70%, 73%)
CMYK	cmyk(69.7%, 34.6%, 0%, 27.5%)
CIE-LAB	lab(49.52, 0.54, -39.74)
CIE-LCH	lch(49.52, 39.74, 270.77°)
OKLab	oklab(56.41% -0.04 -0.1128)
OKLCH	oklch(56.41% 0.12 250.5)
XYZ	xyz(17.2219, 18.0164, 48.4594)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879B9 #B97838

analogous

#38B9B8 #3879B9 #3839B9

triadic

#3879B9 #B93879 #79B938

tetradic

#3879B9 #B838B9 #B97838 #39B938

square

#3879B9 #B838B9 #B97838 #39B938

split-complementary

#3879B9 #B93839 #B9B838

monochromatic

#1C3C5B #2A5A8A #3879B9 #5F98CF #8EB6DD

Accessibility & contrast

On white

4.56

#3879B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3879B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879B9

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879B9	#FFFFFF	#000000	##000000
##3879B9	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7CBC

Deuteranopia (green-blind)

#4A70B8

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3879b9;
/* rgb */ color: rgb(56, 121, 185);
/* oklch */ color: oklch(56.4% 0.120 250.5);

Tailwind

colors: {
  custom: {
    50: '#7d9fce',
    500: '#3879b9',
    950: '#000000',
  },
}

SCSS

$custom: #3879b9;
$custom-light: #7d9fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3879b9",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 185
  },
  "hsl": {
    "h": 209.767,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56411,
    "c": 0.11966,
    "h": 250.5
  },
  "luminance": 0.18018
}

Semantic roles & 50–950 ramp

primary

#3879B9

secondary

#C8A685

accent

#934BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3879B9

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

Preview Lab → · Contrast checker → · Palette generator →