#3972AB#3972AB

#3972AB is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 54.0% C 0.108 H 250.5°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3972AB
RGB	rgb(57, 114, 171)
HSL	hsl(210, 50%, 45%)
HSV	hsv(210, 67%, 67%)
CMYK	cmyk(66.7%, 33.3%, 0%, 32.9%)
CIE-LAB	lab(46.77, -0.04, -35.95)
CIE-LCH	lch(46.77, 35.95, 269.94°)
OKLab	oklab(54.03% -0.0361 -0.1018)
OKLCH	oklch(54.03% 0.108 250.5)
XYZ	xyz(15.0526, 15.8432, 40.7849)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3972AB #AB7239

analogous

#39ABAB #3972AB #3939AB

triadic

#3972AB #AB3972 #72AB39

tetradic

#3972AB #AB39AB #AB7239 #39AB39

square

#3972AB #AB39AB #AB7239 #39AB39

split-complementary

#3972AB #AB3939 #ABAB39

monochromatic

#1A354F #2A537D #3972AB #5991C8 #87AFD7

Accessibility & contrast

On white

5.04

#3972AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#3972AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972AB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3972AB	#FFFFFF	#000000	##FFFFFF
##3972AB	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5975AD

Deuteranopia (green-blind)

#496AAA

Tritanopia (blue-blind)

#007F86

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3972ab;
/* rgb */ color: rgb(57, 114, 171);
/* oklch */ color: oklch(54.0% 0.108 250.5);

Tailwind

colors: {
  custom: {
    50: '#7b9ac4',
    500: '#3972ab',
    950: '#000000',
  },
}

SCSS

$custom: #3972ab;
$custom-light: #7b9ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3972ab",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 171
  },
  "hsl": {
    "h": 210,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54032,
    "c": 0.108,
    "h": 250.5
  },
  "luminance": 0.15845
}

Semantic roles & 50–950 ramp

primary

#3972AB

secondary

#C1A07F

accent

#944EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3972AB

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

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