#3879AA#3879AA

#3879AA is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.101 H 243.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3879AA
RGB	rgb(56, 121, 170)
HSL	hsl(206, 50%, 44%)
HSV	hsv(206, 67%, 67%)
CMYK	cmyk(67.1%, 28.8%, 0%, 33.3%)
CIE-LAB	lab(48.78, -4.76, -32.21)
CIE-LCH	lch(48.78, 32.56, 261.59°)
OKLab	oklab(55.59% -0.0445 -0.0909)
OKLCH	oklch(55.59% 0.101 243.9)
XYZ	xyz(15.7212, 17.4161, 40.5555)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879AA #AA6938

analogous

#38AAA2 #3879AA #3840AA

triadic

#3879AA #AA3879 #79AA38

tetradic

#3879AA #A238AA #AA6938 #40AA38

square

#3879AA #A238AA #AA6938 #40AA38

split-complementary

#3879AA #AA3840 #AAA238

monochromatic

#1A374E #29587C #3879AA #5797C8 #85B4D7

Accessibility & contrast

On white

4.68

#3879AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3879AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3879AA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879AA	#FFFFFF	#000000	##FFFFFF
##3879AA	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637AAC

Deuteranopia (green-blind)

#536FA9

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3879aa;
/* rgb */ color: rgb(56, 121, 170);
/* oklch */ color: oklch(55.6% 0.101 243.9);

Tailwind

colors: {
  custom: {
    50: '#7b9fc3',
    500: '#3879aa',
    950: '#000000',
  },
}

SCSS

$custom: #3879aa;
$custom-light: #7b9fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3879aa",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 170
  },
  "hsl": {
    "h": 205.789,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5559,
    "c": 0.10116,
    "h": 243.9
  },
  "luminance": 0.17418
}

Semantic roles & 50–950 ramp

primary

#3879AA

secondary

#C19A7D

accent

#8A4EDA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3879AA

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

Preview Lab → · Contrast checker → · Palette generator →