#4083CB#4083CB

#4083CB is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 60.0% C 0.130 H 252.2°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#4083CB
RGBrgb(64, 131, 203)
HSLhsl(211, 57%, 52%)
HSVhsv(211, 68%, 80%)
CMYKcmyk(68.5%, 35.5%, 0%, 20.4%)
CIE-LABlab(53.63, 2.15, -43.50)
CIE-LCHlch(53.63, 43.56, 272.83°)
OKLaboklab(60.02% -0.0396 -0.1235)
OKLCHoklch(60.02% 0.13 252.2)
XYZxyz(21.0062, 21.6322, 59.5567)
Luminance0.2163 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4083CB #CB8840
analogous
#40C9CB #4083CB #4240CB
triadic
#4083CB #CB4083 #83CB40
tetradic
#4083CB #CB40C9 #CB8840 #40CB42
square
#4083CB #CB40C9 #CB8840 #40CB42
split-complementary
#4083CB #CB4240 #C9CB40
monochromatic
#1F4772 #2C65A2 #4083CB #70A2D8 #A0C1E5

Accessibility & contrast

On white

3.94
#4083CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#4083CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083CB
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4083CB#FFFFFF#000000##000000
##4083CB1.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6387CE
Deuteranopia (green-blind)
#4F7ACA
Tritanopia (blue-blind)
#00949D
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #4083cb;
/* rgb */ color: rgb(64, 131, 203);
/* oklch */ color: oklch(60.0% 0.130 252.2);
Tailwind
colors: {
  custom: {
    50: '#84a6db',
    500: '#4083cb',
    950: '#000000',
  },
}
SCSS
$custom: #4083cb;
$custom-light: #84a6db;
$custom-dark: #000000;
JSON
{
  "hex": "#4083cb",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 203
  },
  "hsl": {
    "h": 211.079,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.60018,
    "c": 0.12973,
    "h": 252.2
  },
  "luminance": 0.21634
}

Semantic roles & 50–950 ramp

primary
#4083CB
secondary
#D2B495
accent
#9747E0
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4083CB

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

Preview Lab → · Contrast checker → · Palette generator →

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