#42B7BD#42B7BD

#42B7BD is a light, moderate teal. Relative luminance 0.387; OKLCH L 71.7% C 0.103 H 200.0°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#42B7BD
RGB	rgb(66, 183, 189)
HSL	hsl(183, 48%, 50%)
HSV	hsv(183, 65%, 74%)
CMYK	cmyk(65.1%, 3.2%, 0%, 25.9%)
CIE-LAB	lab(68.53, -30.24, -12.67)
CIE-LCH	lch(68.53, 32.79, 202.74°)
OKLab	oklab(71.73% -0.0966 -0.0351)
OKLCH	oklch(71.73% 0.103 200)
XYZ	xyz(28.3616, 38.6962, 54.1086)
Luminance	0.3870 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7BD #BD4842

analogous

#42BD86 #42B7BD #4279BD

triadic

#42B7BD #BD42B7 #B7BD42

tetradic

#42B7BD #8642BD #BD4842 #79BD42

square

#42B7BD #8642BD #BD4842 #79BD42

split-complementary

#42B7BD #BD4279 #BD8642

monochromatic

#225F62 #328B90 #42B7BD #6FC8CD #9DDADD

Accessibility & contrast

On white

2.40

#42B7BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#42B7BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7BD

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7BD	#FFFFFF	#000000	##000000
##42B7BD	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAAFBE

Deuteranopia (green-blind)

#97A1BE

Tritanopia (blue-blind)

#00BDB9

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42b7bd;
/* rgb */ color: rgb(66, 183, 189);
/* oklch */ color: oklch(71.7% 0.103 200.0);

Tailwind

colors: {
  custom: {
    50: '#86cdd0',
    500: '#42b7bd',
    950: '#000000',
  },
}

SCSS

$custom: #42b7bd;
$custom-light: #86cdd0;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7bd",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 189
  },
  "hsl": {
    "h": 182.927,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.71725,
    "c": 0.10283,
    "h": 200
  },
  "luminance": 0.38699
}

Semantic roles & 50–950 ramp

primary

#42B7BD

secondary

#C99592

accent

#5750D8

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B7BD

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

Preview Lab → · Contrast checker → · Palette generator →