#2B8BB0#2B8BB0

#2B8BB0 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.103 H 228.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#2B8BB0
RGBrgb(43, 139, 176)
HSLhsl(197, 61%, 43%)
HSVhsv(197, 76%, 69%)
CMYKcmyk(75.6%, 21%, 0%, 31%)
CIE-LABlab(54.14, -14.89, -27.35)
CIE-LCHlch(54.14, 31.14, 241.44°)
OKLaboklab(59.84% -0.0681 -0.0768)
OKLCHoklch(59.84% 0.103 228.4)
XYZxyz(18.0622, 22.1113, 44.3818)
Luminance0.2211 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B8BB0 #B0502B
analogous
#2BB093 #2B8BB0 #2B48B0
triadic
#2B8BB0 #B02B8B #8BB02B
tetradic
#2B8BB0 #932BB0 #B0502B #48B02B
square
#2B8BB0 #932BB0 #B0502B #48B02B
split-complementary
#2B8BB0 #B02B48 #B0932B
monochromatic
#133D4E #1F647F #2B8BB0 #46ABD2 #78C1DE

Accessibility & contrast

On white

3.87
#2B8BB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.42
#2B8BB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B8BB0
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B8BB0#FFFFFF#000000##000000
##2B8BB01.003.875.425.42
#FFFFFF3.871.0021.0021.00
#0000005.4221.001.001.00
##0000005.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7889B2
Deuteranopia (green-blind)
#667CB0
Tritanopia (blue-blind)
#009597
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #2b8bb0;
/* rgb */ color: rgb(43, 139, 176);
/* oklch */ color: oklch(59.8% 0.103 228.4);
Tailwind
colors: {
  custom: {
    50: '#78adc7',
    500: '#2b8bb0',
    950: '#000000',
  },
}
SCSS
$custom: #2b8bb0;
$custom-light: #78adc7;
$custom-dark: #000000;
JSON
{
  "hex": "#2b8bb0",
  "rgb": {
    "r": 43,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 196.692,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.59836,
    "c": 0.10265,
    "h": 228.4
  },
  "luminance": 0.22113
}

Semantic roles & 50–950 ramp

primary
#2B8BB0
secondary
#C68971
accent
#7044E4
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2B8BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#2B8BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva