#2B83B3#2B83B3

#2B83B3 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.0% C 0.110 H 237.3°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#2B83B3
RGBrgb(43, 131, 179)
HSLhsl(201, 61%, 44%)
HSVhsv(201, 76%, 70%)
CMYKcmyk(76%, 26.8%, 0%, 29.8%)
CIE-LABlab(51.84, -9.33, -32.67)
CIE-LCHlch(51.84, 33.97, 254.06°)
OKLaboklab(58.04% -0.0592 -0.0922)
OKLCHoklch(58.04% 0.11 237.3)
XYZxyz(17.2460, 19.9988, 45.5903)
Luminance0.2000 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B83B3 #B35B2B
analogous
#2BB39F #2B83B3 #2B3FB3
triadic
#2B83B3 #B32B83 #83B32B
tetradic
#2B83B3 #9F2BB3 #B35B2B #3FB32B
square
#2B83B3 #9F2BB3 #B35B2B #3FB32B
split-complementary
#2B83B3 #B32B3F #B39F2B
monochromatic
#133B50 #1F5F82 #2B83B3 #48A2D3 #79BBDF

Accessibility & contrast

On white

4.20
#2B83B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.00
#2B83B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B83B3
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B83B3#FFFFFF#000000##000000
##2B83B31.004.205.005.00
#FFFFFF4.201.0021.0021.00
#0000005.0021.001.001.00
##0000005.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C83B5
Deuteranopia (green-blind)
#5A76B2
Tritanopia (blue-blind)
#008F94
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #2b83b3;
/* rgb */ color: rgb(43, 131, 179);
/* oklch */ color: oklch(58.0% 0.110 237.3);
Tailwind
colors: {
  custom: {
    50: '#78a7ca',
    500: '#2b83b3',
    950: '#000000',
  },
}
SCSS
$custom: #2b83b3;
$custom-light: #78a7ca;
$custom-dark: #000000;
JSON
{
  "hex": "#2b83b3",
  "rgb": {
    "r": 43,
    "g": 131,
    "b": 179
  },
  "hsl": {
    "h": 201.176,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.58039,
    "c": 0.10958,
    "h": 237.3
  },
  "luminance": 0.20001
}

Semantic roles & 50–950 ramp

primary
#2B83B3
secondary
#C79173
accent
#7C43E4
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #2B83B3

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

Preview Lab → · Contrast checker → · Palette generator →

#2B83B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva