#42B6C8#42B6C8

#42B6C8 is a light, moderate teal. Relative luminance 0.388; OKLCH L 71.9% C 0.105 H 209.6°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#42B6C8
RGB	rgb(66, 182, 200)
HSL	hsl(188, 55%, 52%)
HSV	hsv(188, 67%, 78%)
CMYK	cmyk(67%, 9%, 0%, 21.6%)
CIE-LAB	lab(68.59, -26.49, -18.64)
CIE-LCH	lch(68.59, 32.39, 215.13°)
OKLab	oklab(71.9% -0.091 -0.0518)
OKLCH	oklch(71.9% 0.105 209.6)
XYZ	xyz(29.3956, 38.7810, 60.5686)
Luminance	0.3878 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B6C8 #C85442

analogous

#42C897 #42B6C8 #4273C8

triadic

#42B6C8 #C842B6 #B6C842

tetradic

#42B6C8 #9742C8 #C85442 #73C842

square

#42B6C8 #9742C8 #C85442 #73C842

split-complementary

#42B6C8 #C84273 #C89742

monochromatic

#20656F #2E909F #42B6C8 #71C8D6 #A1DBE4

Accessibility & contrast

On white

2.40

#42B6C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#42B6C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B6C8

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B6C8	#FFFFFF	#000000	##000000
##42B6C8	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)

#A6AFC9

Deuteranopia (green-blind)

#93A1C8

Tritanopia (blue-blind)

#00BEBB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42b6c8;
/* rgb */ color: rgb(66, 182, 200);
/* oklch */ color: oklch(71.9% 0.105 209.6);

Tailwind

colors: {
  custom: {
    50: '#87ccd8',
    500: '#42b6c8',
    950: '#000000',
  },
}

SCSS

$custom: #42b6c8;
$custom-light: #87ccd8;
$custom-dark: #000000;

JSON

{
  "hex": "#42b6c8",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 200
  },
  "hsl": {
    "h": 188.06,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71895,
    "c": 0.10471,
    "h": 209.6
  },
  "luminance": 0.38784
}

Semantic roles & 50–950 ramp

primary

#42B6C8

secondary

#D09E96

accent

#5E4ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #42B6C8

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

Preview Lab → · Contrast checker → · Palette generator →