#3879CF#3879CF

#3879CF is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.7% C 0.148 H 256.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3879CF
RGB	rgb(56, 121, 207)
HSL	hsl(214, 61%, 52%)
HSV	hsv(214, 73%, 81%)
CMYK	cmyk(72.9%, 41.5%, 0%, 18.8%)
CIE-LAB	lab(50.71, 8.50, -50.44)
CIE-LCH	lch(50.71, 51.15, 279.56°)
OKLab	oklab(57.73% -0.0347 -0.1441)
OKLCH	oklch(57.73% 0.148 256.5)
XYZ	xyz(19.7266, 19.0183, 61.6506)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879CF #CF8E38

analogous

#38C5CF #3879CF #4338CF

triadic

#3879CF #CF3879 #79CF38

tetradic

#3879CF #CF38C5 #CF8E38 #38CF43

square

#3879CF #CF38C5 #CF8E38 #38CF43

split-complementary

#3879CF #CF4338 #C5CF38

monochromatic

#1B4071 #275CA3 #3879CF #699ADB #9BBBE7

Accessibility & contrast

On white

4.37

#3879CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#3879CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879CF

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879CF	#FFFFFF	#000000	##000000
##3879CF	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5080D2

Deuteranopia (green-blind)

#3672CD

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3879cf;
/* rgb */ color: rgb(56, 121, 207);
/* oklch */ color: oklch(57.7% 0.148 256.5);

Tailwind

colors: {
  custom: {
    50: '#829fde',
    500: '#3879cf',
    950: '#000000',
  },
}

SCSS

$custom: #3879cf;
$custom-light: #829fde;
$custom-dark: #000000;

JSON

{
  "hex": "#3879cf",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 207
  },
  "hsl": {
    "h": 214.172,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57729,
    "c": 0.14826,
    "h": 256.5
  },
  "luminance": 0.1902
}

Semantic roles & 50–950 ramp

primary

#3879CF

secondary

#D3B690

accent

#9F44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3879CF

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

Preview Lab → · Contrast checker → · Palette generator →