#3976B7#3976B7

#3976B7 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.6% C 0.120 H 252.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3976B7
RGB	rgb(57, 118, 183)
HSL	hsl(211, 53%, 47%)
HSV	hsv(211, 69%, 72%)
CMYK	cmyk(68.9%, 35.5%, 0%, 28.2%)
CIE-LAB	lab(48.57, 1.80, -40.08)
CIE-LCH	lch(48.57, 40.13, 272.57°)
OKLab	oklab(55.64% -0.0368 -0.1138)
OKLCH	oklch(55.64% 0.12 252.1)
XYZ	xyz(16.7099, 17.2439, 47.2383)
Luminance	0.1725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976B7 #B77A39

analogous

#39B5B7 #3976B7 #3B39B7

triadic

#3976B7 #B73976 #76B739

tetradic

#3976B7 #B739B5 #B77A39 #39B73B

square

#3976B7 #B739B5 #B77A39 #39B73B

split-complementary

#3976B7 #B73B39 #B5B739

monochromatic

#1C3A5A #2A5888 #3976B7 #6095CD #8EB4DC

Accessibility & contrast

On white

4.72

#3976B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3976B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3976B7

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976B7	#FFFFFF	#000000	##FFFFFF
##3976B7	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597ABA

Deuteranopia (green-blind)

#476EB6

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3976b7;
/* rgb */ color: rgb(57, 118, 183);
/* oklch */ color: oklch(55.6% 0.120 252.1);

Tailwind

colors: {
  custom: {
    50: '#7d9dcd',
    500: '#3976b7',
    950: '#000000',
  },
}

SCSS

$custom: #3976b7;
$custom-light: #7d9dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3976b7",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 183
  },
  "hsl": {
    "h": 210.952,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55642,
    "c": 0.11964,
    "h": 252.1
  },
  "luminance": 0.17246
}

Semantic roles & 50–950 ramp

primary

#3976B7

secondary

#C7A785

accent

#964CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3976B7

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

Preview Lab → · Contrast checker → · Palette generator →