#2B8DB4#2B8DB4

#2B8DB4 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.5% C 0.105 H 229.3°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#2B8DB4
RGBrgb(43, 141, 180)
HSLhsl(197, 61%, 44%)
HSVhsv(197, 76%, 71%)
CMYKcmyk(76.1%, 21.7%, 0%, 29.4%)
CIE-LABlab(54.92, -14.61, -28.43)
CIE-LCHlch(54.92, 31.97, 242.80°)
OKLaboklab(60.51% -0.0686 -0.0799)
OKLCHoklch(60.51% 0.105 229.3)
XYZxyz(18.7560, 22.8564, 46.5944)
Luminance0.2286 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B8DB4 #B4522B
analogous
#2BB496 #2B8DB4 #2B48B4
triadic
#2B8DB4 #B42B8D #8DB42B
tetradic
#2B8DB4 #962BB4 #B4522B #48B42B
square
#2B8DB4 #962BB4 #B4522B #48B42B
split-complementary
#2B8DB4 #B42B48 #B4962B
monochromatic
#134051 #1F6683 #2B8DB4 #49ACD3 #7AC2DF

Accessibility & contrast

On white

3.77
#2B8DB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.57
#2B8DB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B8DB4
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B8DB4#FFFFFF#000000##000000
##2B8DB41.003.775.575.57
#FFFFFF3.771.0021.0021.00
#0000005.5721.001.001.00
##0000005.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#798BB6
Deuteranopia (green-blind)
#667EB3
Tritanopia (blue-blind)
#00989A
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #2b8db4;
/* rgb */ color: rgb(43, 141, 180);
/* oklch */ color: oklch(60.5% 0.105 229.3);
Tailwind
colors: {
  custom: {
    50: '#79aeca',
    500: '#2b8db4',
    950: '#000000',
  },
}
SCSS
$custom: #2b8db4;
$custom-light: #79aeca;
$custom-dark: #000000;
JSON
{
  "hex": "#2b8db4",
  "rgb": {
    "r": 43,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 197.08,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.60515,
    "c": 0.1053,
    "h": 229.3
  },
  "luminance": 0.22859
}

Semantic roles & 50–950 ramp

primary
#2B8DB4
secondary
#C78B73
accent
#7143E5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2B8DB4

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

Preview Lab → · Contrast checker → · Palette generator →

#2B8DB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva