#2B8FB5#2B8FB5

#2B8FB5 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.1% C 0.105 H 228.2°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX#2B8FB5
RGBrgb(43, 143, 181)
HSLhsl(197, 62%, 44%)
HSVhsv(197, 76%, 71%)
CMYKcmyk(76.2%, 21%, 0%, 29%)
CIE-LABlab(55.58, -15.37, -27.99)
CIE-LCHlch(55.58, 31.93, 241.23°)
OKLaboklab(61.05% -0.0702 -0.0786)
OKLCHoklch(61.05% 0.105 228.2)
XYZxyz(19.1558, 23.4924, 47.2320)
Luminance0.2349 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B8FB5 #B5512B
analogous
#2BB596 #2B8FB5 #2B4AB5
triadic
#2B8FB5 #B52B8F #8FB52B
tetradic
#2B8FB5 #962BB5 #B5512B #4AB52B
square
#2B8FB5 #962BB5 #B5512B #4AB52B
split-complementary
#2B8FB5 #B52B4A #B5962B
monochromatic
#144152 #1F6884 #2B8FB5 #49AED4 #7BC4E0

Accessibility & contrast

On white

3.68
#2B8FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.70
#2B8FB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B8FB5
5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B8FB5#FFFFFF#000000##000000
##2B8FB51.003.685.705.70
#FFFFFF3.681.0021.0021.00
#0000005.7021.001.001.00
##0000005.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8DB7
Deuteranopia (green-blind)
#697FB4
Tritanopia (blue-blind)
#009A9C
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #2b8fb5;
/* rgb */ color: rgb(43, 143, 181);
/* oklch */ color: oklch(61.1% 0.105 228.2);
Tailwind
colors: {
  custom: {
    50: '#79afcb',
    500: '#2b8fb5',
    950: '#000000',
  },
}
SCSS
$custom: #2b8fb5;
$custom-light: #79afcb;
$custom-dark: #000000;
JSON
{
  "hex": "#2b8fb5",
  "rgb": {
    "r": 43,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 196.522,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.6105,
    "c": 0.10538,
    "h": 228.2
  },
  "luminance": 0.23495
}

Semantic roles & 50–950 ramp

primary
#2B8FB5
secondary
#C88B74
accent
#7043E5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2B8FB5

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

Preview Lab → · Contrast checker → · Palette generator →

#2B8FB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva