#2D83AB#2D83AB

#2D83AB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.7% C 0.101 H 232.8°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#2D83AB
RGBrgb(45, 131, 171)
HSLhsl(199, 58%, 42%)
HSVhsv(199, 74%, 67%)
CMYKcmyk(73.7%, 23.4%, 0%, 32.9%)
CIE-LABlab(51.53, -11.89, -28.53)
CIE-LCHlch(51.53, 30.91, 247.37°)
OKLaboklab(57.69% -0.061 -0.0802)
OKLCHoklch(57.69% 0.101 232.8)
XYZxyz(16.5462, 19.7289, 41.4562)
Luminance0.1973 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D83AB #AB552D
analogous
#2DAB94 #2D83AB #2D44AB
triadic
#2D83AB #AB2D83 #83AB2D
tetradic
#2D83AB #942DAB #AB552D #44AB2D
square
#2D83AB #942DAB #AB552D #44AB2D
split-complementary
#2D83AB #AB2D44 #AB942D
monochromatic
#14394A #205E7B #2D83AB #47A3CE #77BBDB

Accessibility & contrast

On white

4.25
#2D83AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.95
#2D83AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D83AB
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D83AB#FFFFFF#000000##000000
##2D83AB1.004.254.954.95
#FFFFFF4.251.0021.0021.00
#0000004.9521.001.001.00
##0000004.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F82AD
Deuteranopia (green-blind)
#5E75AA
Tritanopia (blue-blind)
#008E90
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #2d83ab;
/* rgb */ color: rgb(45, 131, 171);
/* oklch */ color: oklch(57.7% 0.101 232.8);
Tailwind
colors: {
  custom: {
    50: '#77a7c4',
    500: '#2d83ab',
    950: '#000000',
  },
}
SCSS
$custom: #2d83ab;
$custom-light: #77a7c4;
$custom-dark: #000000;
JSON
{
  "hex": "#2d83ab",
  "rgb": {
    "r": 45,
    "g": 131,
    "b": 171
  },
  "hsl": {
    "h": 199.048,
    "s": 58.333,
    "l": 42.353
  },
  "oklch": {
    "l": 0.57692,
    "c": 0.10079,
    "h": 232.8
  },
  "luminance": 0.19731
}

Semantic roles & 50–950 ramp

primary
#2D83AB
secondary
#C38B71
accent
#7846E2
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #2D83AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2D83AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva