#43B9F4#43B9F4

#43B9F4 is a light, vivid cyan. Relative luminance 0.424; OKLCH L 74.5% C 0.134 H 234.7°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#43B9F4
RGB	rgb(67, 185, 244)
HSL	hsl(200, 89%, 61%)
HSV	hsv(200, 73%, 96%)
CMYK	cmyk(72.5%, 24.2%, 0%, 4.3%)
CIE-LAB	lab(71.16, -13.97, -38.71)
CIE-LCH	lch(71.16, 41.15, 250.16°)
OKLab	oklab(74.51% -0.0772 -0.109)
OKLCH	oklch(74.51% 0.134 234.7)
XYZ	xyz(35.9863, 42.4187, 91.8614)
Luminance	0.4242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43B9F4 #F47E43

analogous

#43F4D6 #43B9F4 #4360F4

triadic

#43B9F4 #F443B9 #B9F443

tetradic

#43B9F4 #D643F4 #F47E43 #60F443

square

#43B9F4 #D643F4 #F47E43 #60F443

split-complementary

#43B9F4 #F44360 #F4D643

monochromatic

#0A7AB2 #0EA2EC #43B9F4 #7DCFF7 #B7E4FB

Accessibility & contrast

On white

2.21

#43B9F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#43B9F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #43B9F4

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43B9F4	#FFFFFF	#000000	##000000
##43B9F4	1.00	2.21	9.48	9.48
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB8F7

Deuteranopia (green-blind)

#84A7F3

Tritanopia (blue-blind)

#00C8CD

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #43b9f4;
/* rgb */ color: rgb(67, 185, 244);
/* oklch */ color: oklch(74.5% 0.134 234.7);

Tailwind

colors: {
  custom: {
    50: '#8dcef8',
    500: '#43b9f4',
    950: '#000000',
  },
}

SCSS

$custom: #43b9f4;
$custom-light: #8dcef8;
$custom-dark: #000000;

JSON

{
  "hex": "#43b9f4",
  "rgb": {
    "r": 67,
    "g": 185,
    "b": 244
  },
  "hsl": {
    "h": 200,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74507,
    "c": 0.13357,
    "h": 234.7
  },
  "luminance": 0.42423
}

Semantic roles & 50–950 ramp

primary

#43B9F4

secondary

#EBBEA8

accent

#4D00E6

background

#F9FCFF

surface

#F2F9FF

border

#CCD2D7

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #43B9F4

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

Preview Lab → · Contrast checker → · Palette generator →