#3879B2#3879B2

#3879B2 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.111 H 247.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3879B2
RGB	rgb(56, 121, 178)
HSL	hsl(208, 52%, 46%)
HSV	hsv(208, 69%, 70%)
CMYK	cmyk(68.5%, 32%, 0%, 30.2%)
CIE-LAB	lab(49.16, -1.95, -36.25)
CIE-LCH	lch(49.16, 36.30, 266.92°)
OKLab	oklab(56.02% -0.042 -0.1026)
OKLCH	oklch(56.02% 0.111 247.7)
XYZ	xyz(16.5011, 17.7281, 44.6631)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879B2 #B27138

analogous

#38B2AE #3879B2 #383CB2

triadic

#3879B2 #B23879 #79B238

tetradic

#3879B2 #AE38B2 #B27138 #3CB238

square

#3879B2 #AE38B2 #B27138 #3CB238

split-complementary

#3879B2 #B2383C #B2AE38

monochromatic

#1B3A55 #295983 #3879B2 #5C97CC #8AB5DA

Accessibility & contrast

On white

4.62

#3879B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3879B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3879B2

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879B2	#FFFFFF	#000000	##FFFFFF
##3879B2	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607BB4

Deuteranopia (green-blind)

#4F70B1

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3879b2;
/* rgb */ color: rgb(56, 121, 178);
/* oklch */ color: oklch(56.0% 0.111 247.7);

Tailwind

colors: {
  custom: {
    50: '#7c9fc9',
    500: '#3879b2',
    950: '#000000',
  },
}

SCSS

$custom: #3879b2;
$custom-light: #7c9fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3879b2",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 178
  },
  "hsl": {
    "h": 208.033,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56019,
    "c": 0.11086,
    "h": 247.7
  },
  "luminance": 0.1773
}

Semantic roles & 50–950 ramp

primary

#3879B2

secondary

#C5A181

accent

#8F4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3879B2

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

Preview Lab → · Contrast checker → · Palette generator →