#3879A4#3879A4

#3879A4 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.094 H 240.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3879A4
RGB	rgb(56, 121, 164)
HSL	hsl(204, 49%, 43%)
HSV	hsv(204, 66%, 64%)
CMYK	cmyk(65.9%, 26.2%, 0%, 35.7%)
CIE-LAB	lab(48.50, -6.84, -29.14)
CIE-LCH	lch(48.50, 29.94, 256.80°)
OKLab	oklab(55.28% -0.0465 -0.082)
OKLCH	oklch(55.28% 0.094 240.5)
XYZ	xyz(15.1665, 17.1943, 37.6343)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879A4 #A46338

analogous

#38A499 #3879A4 #3843A4

triadic

#3879A4 #A43879 #79A438

tetradic

#3879A4 #9938A4 #A46338 #43A438

square

#3879A4 #9938A4 #A46338 #43A438

split-complementary

#3879A4 #A43843 #A49938

monochromatic

#193649 #285776 #3879A4 #5498C5 #82B4D4

Accessibility & contrast

On white

4.73

#3879A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3879A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3879A4

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879A4	#FFFFFF	#000000	##FFFFFF
##3879A4	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6579A6

Deuteranopia (green-blind)

#576EA3

Tritanopia (blue-blind)

#008488

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3879a4;
/* rgb */ color: rgb(56, 121, 164);
/* oklch */ color: oklch(55.3% 0.094 240.5);

Tailwind

colors: {
  custom: {
    50: '#7a9fbf',
    500: '#3879a4',
    950: '#000000',
  },
}

SCSS

$custom: #3879a4;
$custom-light: #7a9fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3879a4",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 164
  },
  "hsl": {
    "h": 203.889,
    "s": 49.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55281,
    "c": 0.09423,
    "h": 240.5
  },
  "luminance": 0.17196
}

Semantic roles & 50–950 ramp

primary

#3879A4

secondary

#BE957A

accent

#864FD9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3879A4

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

Preview Lab → · Contrast checker → · Palette generator →