#3976C9#3976C9

#3976C9 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.7% C 0.143 H 256.9°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3976C9
RGB	rgb(57, 118, 201)
HSL	hsl(215, 57%, 51%)
HSV	hsv(215, 72%, 79%)
CMYK	cmyk(71.6%, 41.3%, 0%, 21.2%)
CIE-LAB	lab(49.55, 8.30, -48.88)
CIE-LCH	lch(49.55, 49.58, 279.64°)
OKLab	oklab(56.73% -0.0325 -0.1396)
OKLCH	oklch(56.73% 0.143 256.9)
XYZ	xyz(18.7045, 18.0417, 57.7436)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976C9 #C98C39

analogous

#39BEC9 #3976C9 #4439C9

triadic

#3976C9 #C93976 #76C939

tetradic

#3976C9 #C939BE #C98C39 #39C944

square

#3976C9 #C939BE #C98C39 #39C944

split-complementary

#3976C9 #C94439 #BEC939

monochromatic

#1D3E6B #2A5A9B #3976C9 #6997D6 #99B9E3

Accessibility & contrast

On white

4.56

#3976C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3976C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3976C9

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976C9	#FFFFFF	#000000	##000000
##3976C9	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7DCC

Deuteranopia (green-blind)

#3770C7

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3976c9;
/* rgb */ color: rgb(57, 118, 201);
/* oklch */ color: oklch(56.7% 0.143 256.9);

Tailwind

colors: {
  custom: {
    50: '#819dda',
    500: '#3976c9',
    950: '#000000',
  },
}

SCSS

$custom: #3976c9;
$custom-light: #819dda;
$custom-dark: #000000;

JSON

{
  "hex": "#3976c9",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 201
  },
  "hsl": {
    "h": 214.583,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56726,
    "c": 0.14332,
    "h": 256.9
  },
  "luminance": 0.18044
}

Semantic roles & 50–950 ramp

primary

#3976C9

secondary

#CFB48F

accent

#A047E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3976C9

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

Preview Lab → · Contrast checker → · Palette generator →