#3879CA#3879CA

#3879CA is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.4% C 0.142 H 255.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3879CA
RGB	rgb(56, 121, 202)
HSL	hsl(213, 58%, 51%)
HSV	hsv(213, 72%, 79%)
CMYK	cmyk(72.3%, 40.1%, 0%, 20.8%)
CIE-LAB	lab(50.43, 6.67, -48.05)
CIE-LCH	lch(50.43, 48.51, 277.91°)
OKLab	oklab(57.42% -0.0357 -0.1371)
OKLCH	oklch(57.42% 0.142 255.4)
XYZ	xyz(19.1250, 18.7777, 58.4822)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879CA #CA8938

analogous

#38C2CA #3879CA #4038CA

triadic

#3879CA #CA3879 #79CA38

tetradic

#3879CA #CA38C2 #CA8938 #38CA40

square

#3879CA #CA38C2 #CA8938 #38CA40

split-complementary

#3879CA #CA4038 #C2CA38

monochromatic

#1D3F6B #295C9B #3879CA #689AD7 #99BAE4

Accessibility & contrast

On white

4.42

#3879CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3879CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879CA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879CA	#FFFFFF	#000000	##000000
##3879CA	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537FCD

Deuteranopia (green-blind)

#3B72C8

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3879ca;
/* rgb */ color: rgb(56, 121, 202);
/* oklch */ color: oklch(57.4% 0.142 255.4);

Tailwind

colors: {
  custom: {
    50: '#819fda',
    500: '#3879ca',
    950: '#000000',
  },
}

SCSS

$custom: #3879ca;
$custom-light: #819fda;
$custom-dark: #000000;

JSON

{
  "hex": "#3879ca",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 202
  },
  "hsl": {
    "h": 213.288,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57418,
    "c": 0.14169,
    "h": 255.4
  },
  "luminance": 0.1878
}

Semantic roles & 50–950 ramp

primary

#3879CA

secondary

#CFB28E

accent

#9C47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3879CA

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

Preview Lab → · Contrast checker → · Palette generator →