#3983C9#3983C9

#3983C9 is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.130 H 249.9°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3983C9
RGB	rgb(57, 131, 201)
HSL	hsl(209, 57%, 51%)
HSV	hsv(209, 72%, 79%)
CMYK	cmyk(71.6%, 34.8%, 0%, 21.2%)
CIE-LAB	lab(53.30, 0.40, -42.92)
CIE-LCH	lch(53.30, 42.92, 270.53°)
OKLab	oklab(59.65% -0.0447 -0.1219)
OKLCH	oklch(59.65% 0.13 249.9)
XYZ	xyz(20.3423, 21.3173, 58.2896)
Luminance	0.2132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3983C9 #C97F39

analogous

#39C9C7 #3983C9 #393BC9

triadic

#3983C9 #C93983 #83C939

tetradic

#3983C9 #C739C9 #C97F39 #3BC939

square

#3983C9 #C739C9 #C97F39 #3BC939

split-complementary

#3983C9 #C9393B #C9C739

monochromatic

#1D456B #2A649B #3983C9 #69A1D6 #99BFE3

Accessibility & contrast

On white

3.99

#3983C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3983C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3983C9

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3983C9	#FFFFFF	#000000	##000000
##3983C9	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CC

Deuteranopia (green-blind)

#4F79C8

Tritanopia (blue-blind)

#00949C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3983c9;
/* rgb */ color: rgb(57, 131, 201);
/* oklch */ color: oklch(59.7% 0.130 249.9);

Tailwind

colors: {
  custom: {
    50: '#81a6da',
    500: '#3983c9',
    950: '#000000',
  },
}

SCSS

$custom: #3983c9;
$custom-light: #81a6da;
$custom-dark: #000000;

JSON

{
  "hex": "#3983c9",
  "rgb": {
    "r": 57,
    "g": 131,
    "b": 201
  },
  "hsl": {
    "h": 209.167,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59652,
    "c": 0.12987,
    "h": 249.9
  },
  "luminance": 0.2132
}

Semantic roles & 50–950 ramp

primary

#3983C9

secondary

#CFAE8F

accent

#9247E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3983C9

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

Preview Lab → · Contrast checker → · Palette generator →