#4083BF#4083BF

#4083BF is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.4% C 0.115 H 248.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#4083BF
RGBrgb(64, 131, 191)
HSLhsl(208, 50%, 50%)
HSVhsv(208, 66%, 75%)
CMYKcmyk(66.5%, 31.4%, 0%, 25.1%)
CIE-LABlab(53.04, -2.03, -37.61)
CIE-LCHlch(53.04, 37.67, 266.91°)
OKLaboklab(59.36% -0.0429 -0.1064)
OKLCHoklch(59.36% 0.115 248)
XYZxyz(19.6311, 21.0822, 52.3148)
Luminance0.2108 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4083BF #BF7C40
analogous
#40BFBB #4083BF #4044BF
triadic
#4083BF #BF4083 #83BF40
tetradic
#4083BF #BB40BF #BF7C40 #44BF40
square
#4083BF #BB40BF #BF7C40 #44BF40
split-complementary
#4083BF #BF4044 #BFBB40
monochromatic
#214463 #316491 #4083BF #6EA1CE #9CBFDE

Accessibility & contrast

On white

4.03
#4083BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.22
#4083BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083BF
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4083BF#FFFFFF#000000##000000
##4083BF1.004.035.225.22
#FFFFFF4.031.0021.0021.00
#0000005.2221.001.001.00
##0000005.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6985C2
Deuteranopia (green-blind)
#5779BE
Tritanopia (blue-blind)
#009198
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #4083bf;
/* rgb */ color: rgb(64, 131, 191);
/* oklch */ color: oklch(59.4% 0.115 248.0);
Tailwind
colors: {
  custom: {
    50: '#82a6d2',
    500: '#4083bf',
    950: '#000000',
  },
}
SCSS
$custom: #4083bf;
$custom-light: #82a6d2;
$custom-dark: #000000;
JSON
{
  "hex": "#4083bf",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 191
  },
  "hsl": {
    "h": 208.346,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.59356,
    "c": 0.11469,
    "h": 248
  },
  "luminance": 0.21084
}

Semantic roles & 50–950 ramp

primary
#4083BF
secondary
#CAAC91
accent
#904ED9
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C0F14
muted
#7D7F82

Preview Lab

Preview with #4083BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4083BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva