#3976BB#3976BB

#3976BB is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.9% C 0.125 H 253.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3976BB
RGB	rgb(57, 118, 187)
HSL	hsl(212, 53%, 48%)
HSV	hsv(212, 70%, 73%)
CMYK	cmyk(69.5%, 36.9%, 0%, 26.7%)
CIE-LAB	lab(48.78, 3.23, -42.06)
CIE-LCH	lch(48.78, 42.19, 274.40°)
OKLab	oklab(55.88% -0.0358 -0.1196)
OKLCH	oklch(55.88% 0.125 253.3)
XYZ	xyz(17.1321, 17.4128, 49.4622)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976BB #BB7E39

analogous

#39B7BB #3976BB #3D39BB

triadic

#3976BB #BB3976 #76BB39

tetradic

#3976BB #BB39B7 #BB7E39 #39BB3D

square

#3976BB #BB39B7 #BB7E39 #39BB3D

split-complementary

#3976BB #BB3D39 #B7BB39

monochromatic

#1C3B5D #2B588C #3976BB #6295CF #91B5DD

Accessibility & contrast

On white

4.68

#3976BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3976BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3976BB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976BB	#FFFFFF	#000000	##FFFFFF
##3976BB	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)

#577BBE

Deuteranopia (green-blind)

#446EBA

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3976bb;
/* rgb */ color: rgb(57, 118, 187);
/* oklch */ color: oklch(55.9% 0.125 253.3);

Tailwind

colors: {
  custom: {
    50: '#7e9dd0',
    500: '#3976bb',
    950: '#000000',
  },
}

SCSS

$custom: #3976bb;
$custom-light: #7e9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3976bb",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 187
  },
  "hsl": {
    "h": 211.846,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55875,
    "c": 0.12485,
    "h": 253.3
  },
  "luminance": 0.17415
}

Semantic roles & 50–950 ramp

primary

#3976BB

secondary

#C8AA87

accent

#984BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3976BB

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

Preview Lab → · Contrast checker → · Palette generator →