#3E83CB#3E83CB

#3E83CB is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.131 H 251.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#3E83CB
RGBrgb(62, 131, 203)
HSLhsl(211, 58%, 52%)
HSVhsv(211, 69%, 80%)
CMYKcmyk(69.5%, 35.5%, 0%, 20.4%)
CIE-LABlab(53.56, 1.84, -43.62)
CIE-LCHlch(53.56, 43.66, 272.42°)
OKLaboklab(59.94% -0.0409 -0.1239)
OKLCHoklch(59.94% 0.131 251.7)
XYZxyz(20.8784, 21.5663, 59.5507)
Luminance0.2157 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3E83CB #CB863E
analogous
#3ECACB #3E83CB #403ECB
triadic
#3E83CB #CB3E83 #83CB3E
tetradic
#3E83CB #CB3ECA #CB863E #3ECB40
square
#3E83CB #CB3ECA #CB863E #3ECB40
split-complementary
#3E83CB #CB403E #CACB3E
monochromatic
#1E4670 #2B65A1 #3E83CB #6EA2D8 #9EC1E5

Accessibility & contrast

On white

3.95
#3E83CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.31
#3E83CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E83CB
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3E83CB#FFFFFF#000000##000000
##3E83CB1.003.955.315.31
#FFFFFF3.951.0021.0021.00
#0000005.3121.001.001.00
##0000005.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6387CE
Deuteranopia (green-blind)
#4E7ACA
Tritanopia (blue-blind)
#00949D
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #3e83cb;
/* rgb */ color: rgb(62, 131, 203);
/* oklch */ color: oklch(59.9% 0.131 251.7);
Tailwind
colors: {
  custom: {
    50: '#83a6db',
    500: '#3e83cb',
    950: '#000000',
  },
}
SCSS
$custom: #3e83cb;
$custom-light: #83a6db;
$custom-dark: #000000;
JSON
{
  "hex": "#3e83cb",
  "rgb": {
    "r": 62,
    "g": 131,
    "b": 203
  },
  "hsl": {
    "h": 210.638,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.59943,
    "c": 0.1305,
    "h": 251.7
  },
  "luminance": 0.21569
}

Semantic roles & 50–950 ramp

primary
#3E83CB
secondary
#D1B394
accent
#9647E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3E83CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3E83CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva