#42B7C7#42B7C7

#42B7C7 is a light, moderate teal. Relative luminance 0.391; OKLCH L 72.1% C 0.105 H 208.0°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#42B7C7
RGB	rgb(66, 183, 199)
HSL	hsl(187, 54%, 52%)
HSV	hsv(187, 67%, 78%)
CMYK	cmyk(66.8%, 8%, 0%, 22%)
CIE-LAB	lab(68.86, -27.29, -17.69)
CIE-LCH	lch(68.86, 32.52, 212.95°)
OKLab	oklab(72.1% -0.0924 -0.0491)
OKLCH	oklch(72.1% 0.105 208)
XYZ	xyz(29.4847, 39.1455, 60.0237)
Luminance	0.3915 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7C7 #C75242

analogous

#42C795 #42B7C7 #4275C7

triadic

#42B7C7 #C742B7 #B7C742

tetradic

#42B7C7 #9542C7 #C75242 #75C742

square

#42B7C7 #9542C7 #C75242 #75C742

split-complementary

#42B7C7 #C74275 #C79542

monochromatic

#21656E #2F909D #42B7C7 #71C9D5 #A0DBE3

Accessibility & contrast

On white

2.38

#42B7C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#42B7C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7C7

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7C7	#FFFFFF	#000000	##000000
##42B7C7	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B0C8

Deuteranopia (green-blind)

#94A2C7

Tritanopia (blue-blind)

#00BFBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #42b7c7;
/* rgb */ color: rgb(66, 183, 199);
/* oklch */ color: oklch(72.1% 0.105 208.0);

Tailwind

colors: {
  custom: {
    50: '#87cdd8',
    500: '#42b7c7',
    950: '#000000',
  },
}

SCSS

$custom: #42b7c7;
$custom-light: #87cdd8;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7c7",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 199
  },
  "hsl": {
    "h": 187.218,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.72096,
    "c": 0.10467,
    "h": 208
  },
  "luminance": 0.39149
}

Semantic roles & 50–950 ramp

primary

#42B7C7

secondary

#D09C95

accent

#5C4ADE

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #42B7C7

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

Preview Lab → · Contrast checker → · Palette generator →