#2B8CB3#2B8CB3

#2B8CB3 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.105 H 229.6°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX#2B8CB3
RGBrgb(43, 140, 179)
HSLhsl(197, 61%, 44%)
HSVhsv(197, 76%, 70%)
CMYKcmyk(76%, 21.8%, 0%, 29.8%)
CIE-LABlab(54.58, -14.40, -28.40)
CIE-LCHlch(54.58, 31.84, 243.11°)
OKLaboklab(60.22% -0.068 -0.0798)
OKLCHoklch(60.22% 0.105 229.6)
XYZxyz(18.5077, 22.5222, 46.0109)
Luminance0.2252 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B8CB3 #B3522B
analogous
#2BB396 #2B8CB3 #2B48B3
triadic
#2B8CB3 #B32B8C #8CB32B
tetradic
#2B8CB3 #962BB3 #B3522B #48B32B
square
#2B8CB3 #962BB3 #B3522B #48B32B
split-complementary
#2B8CB3 #B32B48 #B3962B
monochromatic
#133F50 #1F6582 #2B8CB3 #48ABD3 #79C2DF

Accessibility & contrast

On white

3.81
#2B8CB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.50
#2B8CB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B8CB3
5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B8CB3#FFFFFF#000000##000000
##2B8CB31.003.815.505.50
#FFFFFF3.811.0021.0021.00
#0000005.5021.001.001.00
##0000005.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#788AB5
Deuteranopia (green-blind)
#667DB2
Tritanopia (blue-blind)
#009799
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #2b8cb3;
/* rgb */ color: rgb(43, 140, 179);
/* oklch */ color: oklch(60.2% 0.105 229.6);
Tailwind
colors: {
  custom: {
    50: '#79adca',
    500: '#2b8cb3',
    950: '#000000',
  },
}
SCSS
$custom: #2b8cb3;
$custom-light: #79adca;
$custom-dark: #000000;
JSON
{
  "hex": "#2b8cb3",
  "rgb": {
    "r": 43,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 197.206,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.60223,
    "c": 0.10483,
    "h": 229.6
  },
  "luminance": 0.22524
}

Semantic roles & 50–950 ramp

primary
#2B8CB3
secondary
#C78B73
accent
#7243E4
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2B8CB3

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

Preview Lab → · Contrast checker → · Palette generator →

#2B8CB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva