#3981C7#3981C7

#3981C7 is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.1% C 0.129 H 250.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3981C7
RGB	rgb(57, 129, 199)
HSL	hsl(210, 56%, 50%)
HSV	hsv(210, 71%, 78%)
CMYK	cmyk(71.4%, 35.2%, 0%, 22%)
CIE-LAB	lab(52.61, 0.88, -42.87)
CIE-LCH	lch(52.61, 42.88, 271.17°)
OKLab	oklab(59.08% -0.0433 -0.1218)
OKLCH	oklch(59.08% 0.129 250.4)
XYZ	xyz(19.8425, 20.6917, 56.9699)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981C7 #C77F39

analogous

#39C7C6 #3981C7 #393AC7

triadic

#3981C7 #C73981 #81C739

tetradic

#3981C7 #C639C7 #C77F39 #3AC739

square

#3981C7 #C639C7 #C77F39 #3AC739

split-complementary

#3981C7 #C7393A #C7C639

monochromatic

#1D4368 #2B6298 #3981C7 #699FD4 #98BEE2

Accessibility & contrast

On white

4.09

#3981C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#3981C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981C7

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981C7	#FFFFFF	#000000	##000000
##3981C7	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6185CA

Deuteranopia (green-blind)

#4D78C6

Tritanopia (blue-blind)

#00929B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3981c7;
/* rgb */ color: rgb(57, 129, 199);
/* oklch */ color: oklch(59.1% 0.129 250.4);

Tailwind

colors: {
  custom: {
    50: '#80a5d8',
    500: '#3981c7',
    950: '#000000',
  },
}

SCSS

$custom: #3981c7;
$custom-light: #80a5d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3981c7",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 199
  },
  "hsl": {
    "h": 209.577,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.59082,
    "c": 0.12928,
    "h": 250.4
  },
  "luminance": 0.20694
}

Semantic roles & 50–950 ramp

primary

#3981C7

secondary

#CEAD8E

accent

#9349DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3981C7

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

Preview Lab → · Contrast checker → · Palette generator →