#3879CE#3879CE

#3879CE is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.7% C 0.147 H 256.3°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3879CE
RGB	rgb(56, 121, 206)
HSL	hsl(214, 60%, 51%)
HSV	hsv(214, 73%, 81%)
CMYK	cmyk(72.8%, 41.3%, 0%, 19.2%)
CIE-LAB	lab(50.65, 8.13, -49.97)
CIE-LCH	lch(50.65, 50.62, 279.24°)
OKLab	oklab(57.67% -0.0349 -0.1427)
OKLCH	oklch(57.67% 0.147 256.3)
XYZ	xyz(19.6047, 18.9696, 61.0088)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879CE #CE8D38

analogous

#38C4CE #3879CE #4238CE

triadic

#3879CE #CE3879 #79CE38

tetradic

#3879CE #CE38C4 #CE8D38 #38CE42

square

#3879CE #CE38C4 #CE8D38 #38CE42

split-complementary

#3879CE #CE4238 #C4CE38

monochromatic

#1C4070 #285CA1 #3879CE #699ADA #9ABBE6

Accessibility & contrast

On white

4.38

#3879CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#3879CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879CE

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879CE	#FFFFFF	#000000	##000000
##3879CE	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5080D1

Deuteranopia (green-blind)

#3772CC

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3879ce;
/* rgb */ color: rgb(56, 121, 206);
/* oklch */ color: oklch(57.7% 0.147 256.3);

Tailwind

colors: {
  custom: {
    50: '#819fdd',
    500: '#3879ce',
    950: '#000000',
  },
}

SCSS

$custom: #3879ce;
$custom-light: #819fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3879ce",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 206
  },
  "hsl": {
    "h": 214,
    "s": 60.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57667,
    "c": 0.14694,
    "h": 256.3
  },
  "luminance": 0.18972
}

Semantic roles & 50–950 ramp

primary

#3879CE

secondary

#D2B590

accent

#9F44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3879CE

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

Preview Lab → · Contrast checker → · Palette generator →