#3983B4#3983B4

#3983B4 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.5% C 0.105 H 240.9°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#3983B4
RGBrgb(57, 131, 180)
HSLhsl(204, 52%, 46%)
HSVhsv(204, 68%, 71%)
CMYKcmyk(68.3%, 27.2%, 0%, 29.4%)
CIE-LABlab(52.28, -6.98, -32.51)
CIE-LCHlch(52.28, 33.26, 257.88°)
OKLaboklab(58.52% -0.051 -0.0916)
OKLCHoklch(58.52% 0.105 240.9)
XYZxyz(18.0387, 20.3958, 46.1573)
Luminance0.2040 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3983B4 #B46A39
analogous
#39B4A8 #3983B4 #3946B4
triadic
#3983B4 #B43983 #83B439
tetradic
#3983B4 #A839B4 #B46A39 #46B439
square
#3983B4 #A839B4 #B46A39 #46B439
split-complementary
#3983B4 #B43946 #B4A839
monochromatic
#1C3F57 #2A6186 #3983B4 #5EA0CC #8DBCDB

Accessibility & contrast

On white

4.13
#3983B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.08
#3983B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3983B4
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3983B4#FFFFFF#000000##000000
##3983B41.004.135.085.08
#FFFFFF4.131.0021.0021.00
#0000005.0821.001.001.00
##0000005.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D83B6
Deuteranopia (green-blind)
#5C77B3
Tritanopia (blue-blind)
#008F94
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3983b4;
/* rgb */ color: rgb(57, 131, 180);
/* oklch */ color: oklch(58.5% 0.105 240.9);
Tailwind
colors: {
  custom: {
    50: '#7da6ca',
    500: '#3983b4',
    950: '#000000',
  },
}
SCSS
$custom: #3983b4;
$custom-light: #7da6ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3983b4",
  "rgb": {
    "r": 57,
    "g": 131,
    "b": 180
  },
  "hsl": {
    "h": 203.902,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.58521,
    "c": 0.10488,
    "h": 240.9
  },
  "luminance": 0.20398
}

Semantic roles & 50–950 ramp

primary
#3983B4
secondary
#C59E83
accent
#854CDB
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3983B4

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

Preview Lab → · Contrast checker → · Palette generator →

#3983B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva