#42A8B7#42A8B7

#42A8B7 is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.9% C 0.095 H 208.7°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#42A8B7
RGB	rgb(66, 168, 183)
HSL	hsl(188, 47%, 49%)
HSV	hsv(188, 64%, 72%)
CMYK	cmyk(63.9%, 8.2%, 0%, 28.2%)
CIE-LAB	lab(63.82, -24.58, -16.45)
CIE-LCH	lch(63.82, 29.57, 213.79°)
OKLab	oklab(67.86% -0.0835 -0.0456)
OKLCH	oklch(67.86% 0.095 208.7)
XYZ	xyz(24.7931, 32.5798, 49.7725)
Luminance	0.3258 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A8B7 #B75142

analogous

#42B78C #42A8B7 #426EB7

triadic

#42A8B7 #B742A8 #A8B742

tetradic

#42A8B7 #8C42B7 #B75142 #6EB742

square

#42A8B7 #8C42B7 #B75142 #6EB742

split-complementary

#42A8B7 #B7426E #B78C42

monochromatic

#22555D #327F8A #42A8B7 #6CBECA #99D2DA

Accessibility & contrast

On white

2.79

#42A8B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#42A8B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A8B7

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A8B7	#FFFFFF	#000000	##000000
##42A8B7	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA2B8

Deuteranopia (green-blind)

#8995B7

Tritanopia (blue-blind)

#00AFAC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42a8b7;
/* rgb */ color: rgb(66, 168, 183);
/* oklch */ color: oklch(67.9% 0.095 208.7);

Tailwind

colors: {
  custom: {
    50: '#84c2cc',
    500: '#42a8b7',
    950: '#000000',
  },
}

SCSS

$custom: #42a8b7;
$custom-light: #84c2cc;
$custom-dark: #000000;

JSON

{
  "hex": "#42a8b7",
  "rgb": {
    "r": 66,
    "g": 168,
    "b": 183
  },
  "hsl": {
    "h": 187.692,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.67858,
    "c": 0.09513,
    "h": 208.7
  },
  "luminance": 0.32582
}

Semantic roles & 50–950 ramp

primary

#42A8B7

secondary

#C6968F

accent

#6251D7

background

#F8FBFC

surface

#F0F7F8

border

#CBD0D1

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #42A8B7

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

Preview Lab → · Contrast checker → · Palette generator →