#3976B1#3976B1

#3976B1 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.3% C 0.112 H 249.9°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3976B1
RGB	rgb(57, 118, 177)
HSL	hsl(210, 51%, 46%)
HSV	hsv(210, 68%, 69%)
CMYK	cmyk(67.8%, 33.3%, 0%, 30.6%)
CIE-LAB	lab(48.26, -0.34, -37.09)
CIE-LCH	lch(48.26, 37.09, 269.48°)
OKLab	oklab(55.3% -0.0385 -0.1051)
OKLCH	oklch(55.3% 0.112 249.9)
XYZ	xyz(16.0986, 16.9994, 44.0192)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976B1 #B17439

analogous

#39B1B0 #3976B1 #393AB1

triadic

#3976B1 #B13976 #76B139

tetradic

#3976B1 #B039B1 #B17439 #3AB139

square

#3976B1 #B039B1 #B17439 #3AB139

split-complementary

#3976B1 #B1393A #B1B039

monochromatic

#1B3854 #2A5783 #3976B1 #5D95CB #8BB3DA

Accessibility & contrast

On white

4.77

#3976B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3976B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3976B1

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976B1	#FFFFFF	#000000	##FFFFFF
##3976B1	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C79B4

Deuteranopia (green-blind)

#4B6DB0

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3976b1;
/* rgb */ color: rgb(57, 118, 177);
/* oklch */ color: oklch(55.3% 0.112 249.9);

Tailwind

colors: {
  custom: {
    50: '#7c9dc8',
    500: '#3976b1',
    950: '#000000',
  },
}

SCSS

$custom: #3976b1;
$custom-light: #7c9dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3976b1",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 177
  },
  "hsl": {
    "h": 209.5,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.55301,
    "c": 0.11191,
    "h": 249.9
  },
  "luminance": 0.17001
}

Semantic roles & 50–950 ramp

primary

#3976B1

secondary

#C4A282

accent

#934DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3976B1

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

Preview Lab → · Contrast checker → · Palette generator →