#42B4BF#42B4BF

#42B4BF is a light, moderate teal. Relative luminance 0.376; OKLCH L 71.1% C 0.102 H 204.2°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#42B4BF
RGB	rgb(66, 180, 191)
HSL	hsl(185, 49%, 50%)
HSV	hsv(185, 65%, 75%)
CMYK	cmyk(65.4%, 5.8%, 0%, 25.1%)
CIE-LAB	lab(67.69, -28.19, -15.03)
CIE-LCH	lch(67.69, 31.95, 208.07°)
OKLab	oklab(71.07% -0.0927 -0.0417)
OKLCH	oklch(71.07% 0.102 204.2)
XYZ	xyz(27.9680, 37.5593, 55.0558)
Luminance	0.3756 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B4BF #BF4D42

analogous

#42BF8B #42B4BF #4275BF

triadic

#42B4BF #BF42B4 #B4BF42

tetradic

#42B4BF #8B42BF #BF4D42 #75BF42

square

#42B4BF #8B42BF #BF4D42 #75BF42

split-complementary

#42B4BF #BF4275 #BF8B42

monochromatic

#225F65 #328A92 #42B4BF #70C6CE #9DD8DE

Accessibility & contrast

On white

2.47

#42B4BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#42B4BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B4BF

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B4BF	#FFFFFF	#000000	##000000
##42B4BF	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6ADC0

Deuteranopia (green-blind)

#949FBF

Tritanopia (blue-blind)

#00BBB7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #42b4bf;
/* rgb */ color: rgb(66, 180, 191);
/* oklch */ color: oklch(71.1% 0.102 204.2);

Tailwind

colors: {
  custom: {
    50: '#86cbd2',
    500: '#42b4bf',
    950: '#000000',
  },
}

SCSS

$custom: #42b4bf;
$custom-light: #86cbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#42b4bf",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 191
  },
  "hsl": {
    "h": 185.28,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.71071,
    "c": 0.10163,
    "h": 204.2
  },
  "luminance": 0.37562
}

Semantic roles & 50–950 ramp

primary

#42B4BF

secondary

#CA9793

accent

#5B4FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B4BF

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

Preview Lab → · Contrast checker → · Palette generator →