#2B8BB5#2B8BB5

#2B8BB5 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.1% C 0.107 H 231.8°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX#2B8BB5
RGBrgb(43, 139, 181)
HSLhsl(198, 62%, 44%)
HSVhsv(198, 76%, 71%)
CMYKcmyk(76.2%, 23.2%, 0%, 29%)
CIE-LABlab(54.36, -13.15, -29.88)
CIE-LCHlch(54.36, 32.65, 246.24°)
OKLaboklab(60.08% -0.0663 -0.0841)
OKLCHoklch(60.08% 0.107 231.8)
XYZxyz(18.5660, 22.3128, 47.0354)
Luminance0.2231 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B8BB5 #B5552B
analogous
#2BB59A #2B8BB5 #2B46B5
triadic
#2B8BB5 #B52B8B #8BB52B
tetradic
#2B8BB5 #9A2BB5 #B5552B #46B52B
square
#2B8BB5 #9A2BB5 #B5552B #46B52B
split-complementary
#2B8BB5 #B52B46 #B59A2B
monochromatic
#143F52 #1F6584 #2B8BB5 #49AAD4 #7BC1E0

Accessibility & contrast

On white

3.84
#2B8BB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.46
#2B8BB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B8BB5
5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B8BB5#FFFFFF#000000##000000
##2B8BB51.003.845.465.46
#FFFFFF3.841.0021.0021.00
#0000005.4621.001.001.00
##0000005.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7689B7
Deuteranopia (green-blind)
#637CB4
Tritanopia (blue-blind)
#009699
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #2b8bb5;
/* rgb */ color: rgb(43, 139, 181);
/* oklch */ color: oklch(60.1% 0.107 231.8);
Tailwind
colors: {
  custom: {
    50: '#79accb',
    500: '#2b8bb5',
    950: '#000000',
  },
}
SCSS
$custom: #2b8bb5;
$custom-light: #79accb;
$custom-dark: #000000;
JSON
{
  "hex": "#2b8bb5",
  "rgb": {
    "r": 43,
    "g": 139,
    "b": 181
  },
  "hsl": {
    "h": 198.261,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.60076,
    "c": 0.10707,
    "h": 231.8
  },
  "luminance": 0.22315
}

Semantic roles & 50–950 ramp

primary
#2B8BB5
secondary
#C88E74
accent
#7443E5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2B8BB5

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

Preview Lab → · Contrast checker → · Palette generator →

#2B8BB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva