#3981C4#3981C4

#3981C4 is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 58.9% C 0.126 H 249.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3981C4
RGB	rgb(57, 129, 196)
HSL	hsl(209, 55%, 50%)
HSV	hsv(209, 71%, 77%)
CMYK	cmyk(70.9%, 34.2%, 0%, 23.1%)
CIE-LAB	lab(52.46, -0.19, -41.40)
CIE-LCH	lch(52.46, 41.40, 269.73°)
OKLab	oklab(58.91% -0.0441 -0.1175)
OKLCH	oklch(58.91% 0.126 249.4)
XYZ	xyz(19.4977, 20.5538, 55.1536)
Luminance	0.2056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981C4 #C47C39

analogous

#39C4C2 #3981C4 #393BC4

triadic

#3981C4 #C43981 #81C439

tetradic

#3981C4 #C239C4 #C47C39 #3BC439

square

#3981C4 #C239C4 #C47C39 #3BC439

split-complementary

#3981C4 #C4393B #C4C239

monochromatic

#1D4365 #2B6295 #3981C4 #679FD3 #97BDE1

Accessibility & contrast

On white

4.11

#3981C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#3981C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981C4

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981C4	#FFFFFF	#000000	##000000
##3981C4	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6384C7

Deuteranopia (green-blind)

#4F77C3

Tritanopia (blue-blind)

#009199

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3981c4;
/* rgb */ color: rgb(57, 129, 196);
/* oklch */ color: oklch(58.9% 0.126 249.4);

Tailwind

colors: {
  custom: {
    50: '#80a5d6',
    500: '#3981c4',
    950: '#000000',
  },
}

SCSS

$custom: #3981c4;
$custom-light: #80a5d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3981c4",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 196
  },
  "hsl": {
    "h": 208.921,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58912,
    "c": 0.12553,
    "h": 249.4
  },
  "luminance": 0.20556
}

Semantic roles & 50–950 ramp

primary

#3981C4

secondary

#CCAB8D

accent

#914ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3981C4

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

Preview Lab → · Contrast checker → · Palette generator →