#2D83B8#2D83B8

#2D83B8 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.114 H 240.3°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX#2D83B8
RGBrgb(45, 131, 184)
HSLhsl(203, 61%, 45%)
HSVhsv(203, 76%, 72%)
CMYKcmyk(75.5%, 28.8%, 0%, 27.8%)
CIE-LABlab(52.12, -7.30, -35.09)
CIE-LCHlch(52.12, 35.84, 258.26°)
OKLaboklab(58.35% -0.0565 -0.0992)
OKLCHoklch(58.35% 0.114 240.3)
XYZxyz(17.8468, 20.2491, 48.3060)
Luminance0.2025 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D83B8 #B8622D
analogous
#2DB8A8 #2D83B8 #2D3DB8
triadic
#2D83B8 #B82D83 #83B82D
tetradic
#2D83B8 #A82DB8 #B8622D #3DB82D
square
#2D83B8 #A82DB8 #B8622D #3DB82D
split-complementary
#2D83B8 #B82D3D #B8A82D
monochromatic
#153D56 #216087 #2D83B8 #4EA1D4 #80BBE0

Accessibility & contrast

On white

4.16
#2D83B8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.05
#2D83B8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D83B8
5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D83B8#FFFFFF#000000##000000
##2D83B81.004.165.055.05
#FFFFFF4.161.0021.0021.00
#0000005.0521.001.001.00
##0000005.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A84BA
Deuteranopia (green-blind)
#5776B7
Tritanopia (blue-blind)
#009095
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #2d83b8;
/* rgb */ color: rgb(45, 131, 184);
/* oklch */ color: oklch(58.4% 0.114 240.3);
Tailwind
colors: {
  custom: {
    50: '#79a6cd',
    500: '#2d83b8',
    950: '#000000',
  },
}
SCSS
$custom: #2d83b8;
$custom-light: #79a6cd;
$custom-dark: #000000;
JSON
{
  "hex": "#2d83b8",
  "rgb": {
    "r": 45,
    "g": 131,
    "b": 184
  },
  "hsl": {
    "h": 202.878,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.58353,
    "c": 0.11422,
    "h": 240.3
  },
  "luminance": 0.20251
}

Semantic roles & 50–950 ramp

primary
#2D83B8
secondary
#C99778
accent
#8144E4
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #2D83B8

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

Preview Lab → · Contrast checker → · Palette generator →

#2D83B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva