#42B7BF#42B7BF

#42B7BF is a light, moderate teal. Relative luminance 0.388; OKLCH L 71.8% C 0.103 H 201.6°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#42B7BF
RGB	rgb(66, 183, 191)
HSL	hsl(184, 49%, 50%)
HSV	hsv(184, 65%, 75%)
CMYK	cmyk(65.4%, 4.2%, 0%, 25.1%)
CIE-LAB	lab(68.59, -29.66, -13.68)
CIE-LCH	lch(68.59, 32.66, 204.76°)
OKLab	oklab(71.8% -0.0958 -0.0379)
OKLCH	oklch(71.8% 0.103 201.6)
XYZ	xyz(28.5801, 38.7836, 55.2599)
Luminance	0.3879 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7BF #BF4A42

analogous

#42BF88 #42B7BF #4278BF

triadic

#42B7BF #BF42B7 #B7BF42

tetradic

#42B7BF #8842BF #BF4A42 #78BF42

square

#42B7BF #8842BF #BF4A42 #78BF42

split-complementary

#42B7BF #BF4278 #BF8842

monochromatic

#226065 #328C92 #42B7BF #70C8CE #9DDADE

Accessibility & contrast

On white

2.40

#42B7BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#42B7BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7BF

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7BF	#FFFFFF	#000000	##000000
##42B7BF	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAAFC0

Deuteranopia (green-blind)

#97A1C0

Tritanopia (blue-blind)

#00BEB9

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42b7bf;
/* rgb */ color: rgb(66, 183, 191);
/* oklch */ color: oklch(71.8% 0.103 201.6);

Tailwind

colors: {
  custom: {
    50: '#86cdd2',
    500: '#42b7bf',
    950: '#000000',
  },
}

SCSS

$custom: #42b7bf;
$custom-light: #86cdd2;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7bf",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 191
  },
  "hsl": {
    "h": 183.84,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.71798,
    "c": 0.10302,
    "h": 201.6
  },
  "luminance": 0.38787
}

Semantic roles & 50–950 ramp

primary

#42B7BF

secondary

#CA9693

accent

#584FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B7BF

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

Preview Lab → · Contrast checker → · Palette generator →