#43BBF4#43BBF4

#43BBF4 is a light, vivid cyan. Relative luminance 0.433; OKLCH L 75.0% C 0.133 H 233.4°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#43BBF4
RGB	rgb(67, 187, 244)
HSL	hsl(199, 89%, 61%)
HSV	hsv(199, 73%, 96%)
CMYK	cmyk(72.5%, 23.4%, 0%, 4.3%)
CIE-LAB	lab(71.73, -15.03, -37.82)
CIE-LCH	lch(71.73, 40.69, 248.32°)
OKLab	oklab(74.96% -0.0791 -0.1064)
OKLCH	oklch(74.96% 0.133 233.4)
XYZ	xyz(36.4077, 43.2614, 92.0019)
Luminance	0.4327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43BBF4 #F47C43

analogous

#43F4D4 #43BBF4 #4362F4

triadic

#43BBF4 #F443BB #BBF443

tetradic

#43BBF4 #D443F4 #F47C43 #62F443

square

#43BBF4 #D443F4 #F47C43 #62F443

split-complementary

#43BBF4 #F44362 #F4D443

monochromatic

#0A7CB2 #0EA4EC #43BBF4 #7DD0F7 #B7E5FB

Accessibility & contrast

On white

2.18

#43BBF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.65

#43BBF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #43BBF4

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43BBF4	#FFFFFF	#000000	##000000
##43BBF4	1.00	2.18	9.65	9.65
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.65	21.00	1.00	1.00
##000000	9.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB9F7

Deuteranopia (green-blind)

#87A8F3

Tritanopia (blue-blind)

#00CACE

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #43bbf4;
/* rgb */ color: rgb(67, 187, 244);
/* oklch */ color: oklch(75.0% 0.133 233.4);

Tailwind

colors: {
  custom: {
    50: '#8dcff8',
    500: '#43bbf4',
    950: '#000000',
  },
}

SCSS

$custom: #43bbf4;
$custom-light: #8dcff8;
$custom-dark: #000000;

JSON

{
  "hex": "#43bbf4",
  "rgb": {
    "r": 67,
    "g": 187,
    "b": 244
  },
  "hsl": {
    "h": 199.322,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74964,
    "c": 0.13257,
    "h": 233.4
  },
  "luminance": 0.43266
}

Semantic roles & 50–950 ramp

primary

#43BBF4

secondary

#EBBEA8

accent

#4A00E6

background

#F9FCFF

surface

#F2F9FF

border

#CCD2D7

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #43BBF4

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

Preview Lab → · Contrast checker → · Palette generator →