#3993C9#3993C9

#3993C9 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.4% C 0.117 H 239.0°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#3993C9
RGBrgb(57, 147, 201)
HSLhsl(203, 57%, 51%)
HSVhsv(203, 72%, 79%)
CMYKcmyk(71.6%, 26.9%, 0%, 21.2%)
CIE-LABlab(57.99, -8.89, -35.54)
CIE-LCHlch(57.99, 36.63, 255.95°)
OKLaboklab(63.36% -0.0602 -0.1003)
OKLCHoklch(63.36% 0.117 239)
XYZxyz(22.6596, 25.9518, 59.0620)
Luminance0.2595 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3993C9 #C96F39
analogous
#39C9B7 #3993C9 #394BC9
triadic
#3993C9 #C93993 #93C939
tetradic
#3993C9 #B739C9 #C96F39 #4BC939
square
#3993C9 #B739C9 #C96F39 #4BC939
split-complementary
#3993C9 #C9394B #C9B739
monochromatic
#1D4D6B #2A709B #3993C9 #69ADD6 #99C7E3

Accessibility & contrast

On white

3.39
#3993C9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.19
#3993C9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3993C9
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3993C9#FFFFFF#000000##000000
##3993C91.003.396.196.19
#FFFFFF3.391.0021.0021.00
#0000006.1921.001.001.00
##0000006.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A93CB
Deuteranopia (green-blind)
#6685C8
Tritanopia (blue-blind)
#00A1A6
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3993c9;
/* rgb */ color: rgb(57, 147, 201);
/* oklch */ color: oklch(63.4% 0.117 239.0);
Tailwind
colors: {
  custom: {
    50: '#81b2d9',
    500: '#3993c9',
    950: '#000000',
  },
}
SCSS
$custom: #3993c9;
$custom-light: #81b2d9;
$custom-dark: #000000;
JSON
{
  "hex": "#3993c9",
  "rgb": {
    "r": 57,
    "g": 147,
    "b": 201
  },
  "hsl": {
    "h": 202.5,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.63358,
    "c": 0.11692,
    "h": 239
  },
  "luminance": 0.25954
}

Semantic roles & 50–950 ramp

primary
#3993C9
secondary
#CFA78F
accent
#8147E0
background
#F8FAFD
surface
#F0F5FA
border
#CBCFD3
text
#0C1014
muted
#7D7F83

Preview Lab

Preview with #3993C9

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

Preview Lab → · Contrast checker → · Palette generator →

#3993C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva