#3981C5#3981C5

#3981C5 is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.0% C 0.127 H 249.8°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3981C5
RGB	rgb(57, 129, 197)
HSL	hsl(209, 55%, 50%)
HSV	hsv(209, 71%, 77%)
CMYK	cmyk(71.1%, 34.5%, 0%, 22.7%)
CIE-LAB	lab(52.51, 0.16, -41.89)
CIE-LCH	lch(52.51, 41.89, 270.23°)
OKLab	oklab(58.97% -0.0439 -0.1189)
OKLCH	oklch(58.97% 0.127 249.8)
XYZ	xyz(19.6119, 20.5994, 55.7550)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981C5 #C57D39

analogous

#39C5C3 #3981C5 #393BC5

triadic

#3981C5 #C53981 #81C539

tetradic

#3981C5 #C339C5 #C57D39 #3BC539

square

#3981C5 #C339C5 #C57D39 #3BC539

split-complementary

#3981C5 #C5393B #C5C339

monochromatic

#1E4366 #2B6296 #3981C5 #689FD3 #97BDE1

Accessibility & contrast

On white

4.10

#3981C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#3981C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981C5

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981C5	#FFFFFF	#000000	##000000
##3981C5	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6285C8

Deuteranopia (green-blind)

#4E77C4

Tritanopia (blue-blind)

#00919A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3981c5;
/* rgb */ color: rgb(57, 129, 197);
/* oklch */ color: oklch(59.0% 0.127 249.8);

Tailwind

colors: {
  custom: {
    50: '#80a5d7',
    500: '#3981c5',
    950: '#000000',
  },
}

SCSS

$custom: #3981c5;
$custom-light: #80a5d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3981c5",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 197
  },
  "hsl": {
    "h": 209.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58968,
    "c": 0.12677,
    "h": 249.8
  },
  "luminance": 0.20602
}

Semantic roles & 50–950 ramp

primary

#3981C5

secondary

#CDAC8D

accent

#9249DE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3981C5

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

Preview Lab → · Contrast checker → · Palette generator →