#42B7C8#42B7C8

#42B7C8 is a light, moderate teal. Relative luminance 0.392; OKLCH L 72.1% C 0.105 H 208.8°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#42B7C8
RGB	rgb(66, 183, 200)
HSL	hsl(188, 55%, 52%)
HSV	hsv(188, 67%, 78%)
CMYK	cmyk(67%, 8.5%, 0%, 21.6%)
CIE-LAB	lab(68.89, -26.99, -18.18)
CIE-LCH	lch(68.89, 32.54, 213.97°)
OKLab	oklab(72.14% -0.092 -0.0505)
OKLCH	oklch(72.14% 0.105 208.8)
XYZ	xyz(29.6011, 39.1920, 60.6372)
Luminance	0.3920 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7C8 #C85342

analogous

#42C896 #42B7C8 #4274C8

triadic

#42B7C8 #C842B7 #B7C842

tetradic

#42B7C8 #9642C8 #C85342 #74C842

square

#42B7C8 #9642C8 #C85342 #74C842

split-complementary

#42B7C8 #C84274 #C89642

monochromatic

#20656F #2E909F #42B7C8 #71C9D6 #A1DBE4

Accessibility & contrast

On white

2.38

#42B7C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#42B7C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7C8

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7C8	#FFFFFF	#000000	##000000
##42B7C8	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B0C9

Deuteranopia (green-blind)

#94A2C8

Tritanopia (blue-blind)

#00BFBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #42b7c8;
/* rgb */ color: rgb(66, 183, 200);
/* oklch */ color: oklch(72.1% 0.105 208.8);

Tailwind

colors: {
  custom: {
    50: '#87cdd8',
    500: '#42b7c8',
    950: '#000000',
  },
}

SCSS

$custom: #42b7c8;
$custom-light: #87cdd8;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7c8",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 200
  },
  "hsl": {
    "h": 187.612,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.72135,
    "c": 0.10498,
    "h": 208.8
  },
  "luminance": 0.39195
}

Semantic roles & 50–950 ramp

primary

#42B7C8

secondary

#D09D96

accent

#5C4ADE

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #42B7C8

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

Preview Lab → · Contrast checker → · Palette generator →