#3879D3#3879D3

#3879D3 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 58.0% C 0.154 H 257.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3879D3
RGB	rgb(56, 121, 211)
HSL	hsl(215, 64%, 52%)
HSV	hsv(215, 73%, 83%)
CMYK	cmyk(73.5%, 42.7%, 0%, 17.3%)
CIE-LAB	lab(50.94, 9.96, -52.35)
CIE-LCH	lch(50.94, 53.29, 280.77°)
OKLab	oklab(57.98% -0.0338 -0.1497)
OKLCH	oklch(57.98% 0.154 257.3)
XYZ	xyz(20.2218, 19.2164, 64.2588)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879D3 #D39238

analogous

#38C6D3 #3879D3 #4538D3

triadic

#3879D3 #D33879 #79D338

tetradic

#3879D3 #D338C6 #D39238 #38D345

square

#3879D3 #D338C6 #D39238 #38D345

split-complementary

#3879D3 #D34538 #C6D338

monochromatic

#1A4176 #255CA9 #3879D3 #6A9BDE #9CBCE9

Accessibility & contrast

On white

4.34

#3879D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#3879D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879D3

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879D3	#FFFFFF	#000000	##000000
##3879D3	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D81D6

Deuteranopia (green-blind)

#3173D1

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3879d3;
/* rgb */ color: rgb(56, 121, 211);
/* oklch */ color: oklch(58.0% 0.154 257.3);

Tailwind

colors: {
  custom: {
    50: '#829fe1',
    500: '#3879d3',
    950: '#000000',
  },
}

SCSS

$custom: #3879d3;
$custom-light: #829fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#3879d3",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 211
  },
  "hsl": {
    "h": 214.839,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57983,
    "c": 0.15352,
    "h": 257.3
  },
  "luminance": 0.19219
}

Semantic roles & 50–950 ramp

primary

#3879D3

secondary

#D5B992

accent

#A141E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3879D3

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

Preview Lab → · Contrast checker → · Palette generator →