#3983B7#3983B7

#3983B7 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.7% C 0.108 H 242.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#3983B7
RGBrgb(57, 131, 183)
HSLhsl(205, 53%, 47%)
HSVhsv(205, 69%, 72%)
CMYKcmyk(68.9%, 28.4%, 0%, 28.2%)
CIE-LABlab(52.42, -5.94, -34.02)
CIE-LCHlch(52.42, 34.54, 260.09°)
OKLaboklab(58.68% -0.05 -0.096)
OKLCHoklch(58.68% 0.108 242.5)
XYZxyz(18.3476, 20.5194, 47.7842)
Luminance0.2052 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3983B7 #B76D39
analogous
#39B7AC #3983B7 #3944B7
triadic
#3983B7 #B73983 #83B739
tetradic
#3983B7 #AC39B7 #B76D39 #44B739
square
#3983B7 #AC39B7 #B76D39 #44B739
split-complementary
#3983B7 #B73944 #B7AC39
monochromatic
#1C405A #2A6288 #3983B7 #60A0CD #8EBCDC

Accessibility & contrast

On white

4.11
#3983B7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.10
#3983B7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3983B7
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3983B7#FFFFFF#000000##000000
##3983B71.004.115.105.10
#FFFFFF4.111.0021.0021.00
#0000005.1021.001.001.00
##0000005.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B84B9
Deuteranopia (green-blind)
#5A78B6
Tritanopia (blue-blind)
#009095
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3983b7;
/* rgb */ color: rgb(57, 131, 183);
/* oklch */ color: oklch(58.7% 0.108 242.5);
Tailwind
colors: {
  custom: {
    50: '#7ea6cd',
    500: '#3983b7',
    950: '#000000',
  },
}
SCSS
$custom: #3983b7;
$custom-light: #7ea6cd;
$custom-dark: #000000;
JSON
{
  "hex": "#3983b7",
  "rgb": {
    "r": 57,
    "g": 131,
    "b": 183
  },
  "hsl": {
    "h": 204.762,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.58675,
    "c": 0.10826,
    "h": 242.5
  },
  "luminance": 0.20521
}

Semantic roles & 50–950 ramp

primary
#3983B7
secondary
#C7A085
accent
#874CDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3983B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3983B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva