#3D99CB#3D99CB

#3D99CB is a light, moderate cyan. Relative luminance 0.281; OKLCH L 65.0% C 0.114 H 236.2°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#3D99CB
RGBrgb(61, 153, 203)
HSLhsl(201, 58%, 52%)
HSVhsv(201, 70%, 80%)
CMYKcmyk(70%, 24.6%, 0%, 20.4%)
CIE-LABlab(59.96, -11.00, -33.58)
CIE-LCHlch(59.96, 35.33, 251.85°)
OKLaboklab(64.99% -0.0632 -0.0945)
OKLCHoklch(64.99% 0.114 236.2)
XYZxyz(24.0910, 28.0837, 60.6394)
Luminance0.2809 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D99CB #CB6F3D
analogous
#3DCBB6 #3D99CB #3D52CB
triadic
#3D99CB #CB3D99 #99CB3D
tetradic
#3D99CB #B63DCB #CB6F3D #52CB3D
square
#3D99CB #B63DCB #CB6F3D #52CB3D
split-complementary
#3D99CB #CB3D52 #CBB63D
monochromatic
#1E5370 #2B77A0 #3D99CB #6DB2D8 #9ECCE5

Accessibility & contrast

On white

3.17
#3D99CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.62
#3D99CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99CB
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D99CB#FFFFFF#000000##000000
##3D99CB1.003.176.626.62
#FFFFFF3.171.0021.0021.00
#0000006.6221.001.001.00
##0000006.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8198CD
Deuteranopia (green-blind)
#6E8ACA
Tritanopia (blue-blind)
#00A6AA
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #3d99cb;
/* rgb */ color: rgb(61, 153, 203);
/* oklch */ color: oklch(65.0% 0.114 236.2);
Tailwind
colors: {
  custom: {
    50: '#83b7db',
    500: '#3d99cb',
    950: '#000000',
  },
}
SCSS
$custom: #3d99cb;
$custom-light: #83b7db;
$custom-dark: #000000;
JSON
{
  "hex": "#3d99cb",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 201.127,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.64986,
    "c": 0.11368,
    "h": 236.2
  },
  "luminance": 0.28086
}

Semantic roles & 50–950 ramp

primary
#3D99CB
secondary
#D1A993
accent
#7D47E1
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3D99CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3D99CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva