#3981C0#3981C0

#3981C0 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.121 H 248.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3981C0
RGB	rgb(57, 129, 192)
HSL	hsl(208, 54%, 49%)
HSV	hsv(208, 70%, 75%)
CMYK	cmyk(70.3%, 32.8%, 0%, 24.7%)
CIE-LAB	lab(52.26, -1.61, -39.43)
CIE-LCH	lch(52.26, 39.46, 267.66°)
OKLab	oklab(58.69% -0.0453 -0.1118)
OKLCH	oklch(58.69% 0.121 248)
XYZ	xyz(19.0484, 20.3741, 52.7876)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981C0 #C07839

analogous

#39C0BC #3981C0 #393EC0

triadic

#3981C0 #C03981 #81C039

tetradic

#3981C0 #BC39C0 #C07839 #3EC039

square

#3981C0 #BC39C0 #C07839 #3EC039

split-complementary

#3981C0 #C0393E #C0BC39

monochromatic

#1D4262 #2B6191 #3981C0 #659FD1 #94BCDF

Accessibility & contrast

On white

4.14

#3981C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#3981C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981C0

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981C0	#FFFFFF	#000000	##000000
##3981C0	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6584C3

Deuteranopia (green-blind)

#5277BF

Tritanopia (blue-blind)

#009098

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3981c0;
/* rgb */ color: rgb(57, 129, 192);
/* oklch */ color: oklch(58.7% 0.121 248.0);

Tailwind

colors: {
  custom: {
    50: '#7fa5d3',
    500: '#3981c0',
    950: '#000000',
  },
}

SCSS

$custom: #3981c0;
$custom-light: #7fa5d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3981c0",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 192
  },
  "hsl": {
    "h": 208,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58689,
    "c": 0.12059,
    "h": 248
  },
  "luminance": 0.20376
}

Semantic roles & 50–950 ramp

primary

#3981C0

secondary

#CBA88A

accent

#8F4ADE

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3981C0

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

Preview Lab → · Contrast checker → · Palette generator →