#3873AA#3873AA

#3873AA is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.106 H 249.0°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3873AA
RGB	rgb(56, 115, 170)
HSL	hsl(209, 50%, 44%)
HSV	hsv(209, 67%, 67%)
CMYK	cmyk(67.1%, 32.4%, 0%, 33.3%)
CIE-LAB	lab(46.98, -1.17, -35.04)
CIE-LCH	lch(46.98, 35.06, 268.09°)
OKLab	oklab(54.17% -0.0382 -0.0991)
OKLCH	oklch(54.17% 0.106 249)
XYZ	xyz(15.0146, 16.0030, 40.3200)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3873AA #AA6F38

analogous

#38AAA8 #3873AA #383AAA

triadic

#3873AA #AA3873 #73AA38

tetradic

#3873AA #A838AA #AA6F38 #3AAA38

square

#3873AA #A838AA #AA6F38 #3AAA38

split-complementary

#3873AA #AA383A #AAA838

monochromatic

#1A354E #29547C #3873AA #5792C8 #85B0D7

Accessibility & contrast

On white

5.00

#3873AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3873AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3873AA

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3873AA	#FFFFFF	#000000	##FFFFFF
##3873AA	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B75AC

Deuteranopia (green-blind)

#4B6AA9

Tritanopia (blue-blind)

#008087

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3873aa;
/* rgb */ color: rgb(56, 115, 170);
/* oklch */ color: oklch(54.2% 0.106 249.0);

Tailwind

colors: {
  custom: {
    50: '#7b9bc3',
    500: '#3873aa',
    950: '#000000',
  },
}

SCSS

$custom: #3873aa;
$custom-light: #7b9bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3873aa",
  "rgb": {
    "r": 56,
    "g": 115,
    "b": 170
  },
  "hsl": {
    "h": 208.947,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5417,
    "c": 0.10623,
    "h": 249
  },
  "luminance": 0.16005
}

Semantic roles & 50–950 ramp

primary

#3873AA

secondary

#C19E7D

accent

#914EDA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3873AA

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

Preview Lab → · Contrast checker → · Palette generator →