#3879D1#3879D1

#3879D1 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.9% C 0.151 H 256.9°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3879D1
RGB	rgb(56, 121, 209)
HSL	hsl(215, 62%, 52%)
HSV	hsv(215, 73%, 82%)
CMYK	cmyk(73.2%, 42.1%, 0%, 18%)
CIE-LAB	lab(50.82, 9.23, -51.40)
CIE-LCH	lch(50.82, 52.22, 280.18°)
OKLab	oklab(57.86% -0.0342 -0.1469)
OKLCH	oklch(57.86% 0.151 256.9)
XYZ	xyz(19.9727, 19.1167, 62.9465)
Luminance	0.1912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879D1 #D19038

analogous

#38C5D1 #3879D1 #4438D1

triadic

#3879D1 #D13879 #79D138

tetradic

#3879D1 #D138C5 #D19038 #38D144

square

#3879D1 #D138C5 #D19038 #38D144

split-complementary

#3879D1 #D14438 #C5D138

monochromatic

#1B4174 #265CA6 #3879D1 #6A9ADC #9BBCE8

Accessibility & contrast

On white

4.35

#3879D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#3879D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879D1

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879D1	#FFFFFF	#000000	##000000
##3879D1	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E81D4

Deuteranopia (green-blind)

#3473CF

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3879d1;
/* rgb */ color: rgb(56, 121, 209);
/* oklch */ color: oklch(57.9% 0.151 256.9);

Tailwind

colors: {
  custom: {
    50: '#829fdf',
    500: '#3879d1',
    950: '#000000',
  },
}

SCSS

$custom: #3879d1;
$custom-light: #829fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3879d1",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 209
  },
  "hsl": {
    "h": 214.51,
    "s": 62.449,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57856,
    "c": 0.15089,
    "h": 256.9
  },
  "luminance": 0.19119
}

Semantic roles & 50–950 ramp

primary

#3879D1

secondary

#D4B791

accent

#A042E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3879D1

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

Preview Lab → · Contrast checker → · Palette generator →