#3976B2#3976B2

#3976B2 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.4% C 0.113 H 250.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3976B2
RGB	rgb(57, 118, 178)
HSL	hsl(210, 51%, 46%)
HSV	hsv(210, 68%, 70%)
CMYK	cmyk(68%, 33.7%, 0%, 30.2%)
CIE-LAB	lab(48.31, 0.02, -37.59)
CIE-LCH	lch(48.31, 37.59, 270.03°)
OKLab	oklab(55.36% -0.0382 -0.1065)
OKLCH	oklch(55.36% 0.113 250.3)
XYZ	xyz(16.1987, 17.0394, 44.5461)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976B2 #B27539

analogous

#39B2B1 #3976B2 #393AB2

triadic

#3976B2 #B23976 #76B239

tetradic

#3976B2 #B139B2 #B27539 #3AB239

square

#3976B2 #B139B2 #B27539 #3AB239

split-complementary

#3976B2 #B2393A #B2B139

monochromatic

#1B3955 #2A5784 #3976B2 #5D95CB #8BB3DA

Accessibility & contrast

On white

4.76

#3976B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3976B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3976B2

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976B2	#FFFFFF	#000000	##FFFFFF
##3976B2	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B79B5

Deuteranopia (green-blind)

#4B6DB1

Tritanopia (blue-blind)

#00848C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3976b2;
/* rgb */ color: rgb(57, 118, 178);
/* oklch */ color: oklch(55.4% 0.113 250.3);

Tailwind

colors: {
  custom: {
    50: '#7d9dc9',
    500: '#3976b2',
    950: '#000000',
  },
}

SCSS

$custom: #3976b2;
$custom-light: #7d9dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3976b2",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 178
  },
  "hsl": {
    "h": 209.752,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55358,
    "c": 0.11319,
    "h": 250.3
  },
  "luminance": 0.17041
}

Semantic roles & 50–950 ramp

primary

#3976B2

secondary

#C4A382

accent

#934DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3976B2

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

Preview Lab → · Contrast checker → · Palette generator →