#42B3BF#42B3BF

#42B3BF is a light, moderate teal. Relative luminance 0.372; OKLCH L 70.8% C 0.101 H 205.1°. Best body text is #000000 at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#42B3BF
RGB	rgb(66, 179, 191)
HSL	hsl(186, 49%, 50%)
HSV	hsv(186, 65%, 75%)
CMYK	cmyk(65.4%, 6.3%, 0%, 25.1%)
CIE-LAB	lab(67.39, -27.69, -15.49)
CIE-LCH	lch(67.39, 31.73, 209.21°)
OKLab	oklab(70.83% -0.0916 -0.0429)
OKLCH	oklch(70.83% 0.101 205.1)
XYZ	xyz(27.7668, 37.1570, 54.9888)
Luminance	0.3716 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B3BF #BF4E42

analogous

#42BF8C #42B3BF #4274BF

triadic

#42B3BF #BF42B3 #B3BF42

tetradic

#42B3BF #8C42BF #BF4E42 #74BF42

square

#42B3BF #8C42BF #BF4E42 #74BF42

split-complementary

#42B3BF #BF4274 #BF8C42

monochromatic

#225E65 #328992 #42B3BF #70C5CE #9DD8DE

Accessibility & contrast

On white

2.49

#42B3BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.43

#42B3BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B3BF

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B3BF	#FFFFFF	#000000	##000000
##42B3BF	1.00	2.49	8.43	8.43
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.43	21.00	1.00	1.00
##000000	8.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5ACC0

Deuteranopia (green-blind)

#929EBF

Tritanopia (blue-blind)

#00BAB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42b3bf;
/* rgb */ color: rgb(66, 179, 191);
/* oklch */ color: oklch(70.8% 0.101 205.1);

Tailwind

colors: {
  custom: {
    50: '#86cad2',
    500: '#42b3bf',
    950: '#000000',
  },
}

SCSS

$custom: #42b3bf;
$custom-light: #86cad2;
$custom-dark: #000000;

JSON

{
  "hex": "#42b3bf",
  "rgb": {
    "r": 66,
    "g": 179,
    "b": 191
  },
  "hsl": {
    "h": 185.76,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.70829,
    "c": 0.10121,
    "h": 205.1
  },
  "luminance": 0.3716
}

Semantic roles & 50–950 ramp

primary

#42B3BF

secondary

#CA9893

accent

#5C4FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B3BF

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

Preview Lab → · Contrast checker → · Palette generator →