#43BCF4#43BCF4

#43BCF4 is a light, vivid cyan. Relative luminance 0.437; OKLCH L 75.2% C 0.132 H 232.7°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX#43BCF4
RGBrgb(67, 188, 244)
HSLhsl(199, 89%, 61%)
HSVhsv(199, 73%, 96%)
CMYKcmyk(72.5%, 23%, 0%, 4.3%)
CIE-LABlab(72.02, -15.56, -37.37)
CIE-LCHlch(72.02, 40.48, 247.39°)
OKLaboklab(75.19% -0.08 -0.1051)
OKLCHoklch(75.19% 0.132 232.7)
XYZxyz(36.6206, 43.6871, 92.0728)
Luminance0.4369 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#43BCF4 #F47B43
analogous
#43F4D3 #43BCF4 #4363F4
triadic
#43BCF4 #F443BC #BCF443
tetradic
#43BCF4 #D343F4 #F47B43 #63F443
square
#43BCF4 #D343F4 #F47B43 #63F443
split-complementary
#43BCF4 #F44363 #F4D343
monochromatic
#0A7DB2 #0EA6EC #43BCF4 #7DD1F7 #B7E5FB

Accessibility & contrast

On white

2.16
#43BCF4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.74
#43BCF4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #43BCF4
9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##43BCF4#FFFFFF#000000##000000
##43BCF41.002.169.749.74
#FFFFFF2.161.0021.0021.00
#0000009.7421.001.001.00
##0000009.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0BAF7
Deuteranopia (green-blind)
#88A9F3
Tritanopia (blue-blind)
#00CBCF
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #43bcf4;
/* rgb */ color: rgb(67, 188, 244);
/* oklch */ color: oklch(75.2% 0.132 232.7);
Tailwind
colors: {
  custom: {
    50: '#8dd0f8',
    500: '#43bcf4',
    950: '#000000',
  },
}
SCSS
$custom: #43bcf4;
$custom-light: #8dd0f8;
$custom-dark: #000000;
JSON
{
  "hex": "#43bcf4",
  "rgb": {
    "r": 67,
    "g": 188,
    "b": 244
  },
  "hsl": {
    "h": 198.983,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.75193,
    "c": 0.13209,
    "h": 232.7
  },
  "luminance": 0.43691
}

Semantic roles & 50–950 ramp

primary
#43BCF4
secondary
#EBBDA8
accent
#4900E6
background
#F9FCFF
surface
#F2F9FF
border
#CCD2D7
text
#0E1417
muted
#7E8285

Preview Lab

Preview with #43BCF4

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

Preview Lab → · Contrast checker → · Palette generator →

#43BCF4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva