#3976AB#3976AB

#3976AB is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 55.0% C 0.104 H 247.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3976AB
RGB	rgb(57, 118, 171)
HSL	hsl(208, 50%, 45%)
HSV	hsv(208, 67%, 67%)
CMYK	cmyk(66.7%, 31%, 0%, 32.9%)
CIE-LAB	lab(47.96, -2.45, -34.07)
CIE-LCH	lch(47.96, 34.16, 265.88°)
OKLab	oklab(54.97% -0.0403 -0.0963)
OKLCH	oklch(54.97% 0.104 247.3)
XYZ	xyz(15.5137, 16.7654, 40.9386)
Luminance	0.1677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976AB #AB6E39

analogous

#39ABA7 #3976AB #393DAB

triadic

#3976AB #AB3976 #76AB39

tetradic

#3976AB #A739AB #AB6E39 #3DAB39

square

#3976AB #A739AB #AB6E39 #3DAB39

split-complementary

#3976AB #AB393D #ABA739

monochromatic

#1A374F #2A567D #3976AB #5994C8 #87B2D7

Accessibility & contrast

On white

4.82

#3976AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3976AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3976AB

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976AB	#FFFFFF	#000000	##FFFFFF
##3976AB	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F78AD

Deuteranopia (green-blind)

#4F6DAA

Tritanopia (blue-blind)

#008389

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3976ab;
/* rgb */ color: rgb(57, 118, 171);
/* oklch */ color: oklch(55.0% 0.104 247.3);

Tailwind

colors: {
  custom: {
    50: '#7b9dc4',
    500: '#3976ab',
    950: '#000000',
  },
}

SCSS

$custom: #3976ab;
$custom-light: #7b9dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3976ab",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 171
  },
  "hsl": {
    "h": 207.895,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54971,
    "c": 0.10437,
    "h": 247.3
  },
  "luminance": 0.16767
}

Semantic roles & 50–950 ramp

primary

#3976AB

secondary

#C19E7F

accent

#8F4EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3976AB

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

Preview Lab → · Contrast checker → · Palette generator →