#2B8EB3#2B8EB3

#2B8EB3 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.7% C 0.104 H 227.8°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#2B8EB3
RGBrgb(43, 142, 179)
HSLhsl(196, 61%, 44%)
HSVhsv(196, 76%, 70%)
CMYKcmyk(76%, 20.7%, 0%, 29.8%)
CIE-LABlab(55.19, -15.51, -27.45)
CIE-LCHlch(55.19, 31.53, 240.54°)
OKLaboklab(60.71% -0.0699 -0.0771)
OKLCHoklch(60.71% 0.104 227.8)
XYZxyz(18.8026, 23.1120, 46.1092)
Luminance0.2311 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B8EB3 #B3502B
analogous
#2BB394 #2B8EB3 #2B4AB3
triadic
#2B8EB3 #B32B8E #8EB32B
tetradic
#2B8EB3 #942BB3 #B3502B #4AB32B
square
#2B8EB3 #942BB3 #B3502B #4AB32B
split-complementary
#2B8EB3 #B32B4A #B3942B
monochromatic
#134050 #1F6782 #2B8EB3 #48ADD3 #79C3DF

Accessibility & contrast

On white

3.73
#2B8EB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.62
#2B8EB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B8EB3
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B8EB3#FFFFFF#000000##000000
##2B8EB31.003.735.625.62
#FFFFFF3.731.0021.0021.00
#0000005.6221.001.001.00
##0000005.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A8BB5
Deuteranopia (green-blind)
#687EB3
Tritanopia (blue-blind)
#00999A
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #2b8eb3;
/* rgb */ color: rgb(43, 142, 179);
/* oklch */ color: oklch(60.7% 0.104 227.8);
Tailwind
colors: {
  custom: {
    50: '#79afca',
    500: '#2b8eb3',
    950: '#000000',
  },
}
SCSS
$custom: #2b8eb3;
$custom-light: #79afca;
$custom-dark: #000000;
JSON
{
  "hex": "#2b8eb3",
  "rgb": {
    "r": 43,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 196.324,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.60712,
    "c": 0.10408,
    "h": 227.8
  },
  "luminance": 0.23114
}

Semantic roles & 50–950 ramp

primary
#2B8EB3
secondary
#C78A73
accent
#6F43E4
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2B8EB3

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

Preview Lab → · Contrast checker → · Palette generator →

#2B8EB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva