#43B1DF#43B1DF

#43B1DF is a light, moderate cyan. Relative luminance 0.380; OKLCH L 71.7% C 0.118 H 229.6°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#43B1DF
RGB	rgb(67, 177, 223)
HSL	hsl(198, 71%, 57%)
HSV	hsv(198, 70%, 87%)
CMYK	cmyk(70%, 20.6%, 0%, 12.5%)
CIE-LAB	lab(67.99, -16.57, -32.19)
CIE-LCH	lch(67.99, 36.20, 242.76°)
OKLab	oklab(71.7% -0.0767 -0.0903)
OKLCH	oklch(71.7% 0.118 229.6)
XYZ	xyz(31.3508, 37.9617, 75.4728)
Luminance	0.3796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43B1DF #DF7143

analogous

#43DFBF #43B1DF #4363DF

triadic

#43B1DF #DF43B1 #B1DF43

tetradic

#43B1DF #BF43DF #DF7143 #63DF43

square

#43B1DF #BF43DF #DF7143 #63DF43

split-complementary

#43B1DF #DF4363 #DFBF43

monochromatic

#186C8F #2194C4 #43B1DF #77C7E8 #ACDCF1

Accessibility & contrast

On white

2.44

#43B1DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#43B1DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #43B1DF

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43B1DF	#FFFFFF	#000000	##000000
##43B1DF	1.00	2.44	8.59	8.59
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99AEE1

Deuteranopia (green-blind)

#849FDE

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #43b1df;
/* rgb */ color: rgb(67, 177, 223);
/* oklch */ color: oklch(71.7% 0.118 229.6);

Tailwind

colors: {
  custom: {
    50: '#8ac8e9',
    500: '#43b1df',
    950: '#000000',
  },
}

SCSS

$custom: #43b1df;
$custom-light: #8ac8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#43b1df",
  "rgb": {
    "r": 67,
    "g": 177,
    "b": 223
  },
  "hsl": {
    "h": 197.692,
    "s": 70.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.71701,
    "c": 0.11847,
    "h": 229.6
  },
  "luminance": 0.37965
}

Semantic roles & 50–950 ramp

primary

#43B1DF

secondary

#DFB29F

accent

#6F3AEE

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #43B1DF

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

Preview Lab → · Contrast checker → · Palette generator →