#42C8D8#42C8D8

#42C8D8 is a light, moderate teal. Relative luminance 0.474; OKLCH L 76.8% C 0.115 H 206.6°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#42C8D8
RGB	rgb(66, 200, 216)
HSL	hsl(186, 66%, 55%)
HSV	hsv(186, 69%, 85%)
CMYK	cmyk(69.4%, 7.4%, 0%, 15.3%)
CIE-LAB	lab(74.46, -30.53, -18.48)
CIE-LCH	lch(74.46, 35.69, 211.18°)
OKLab	oklab(76.8% -0.1025 -0.0513)
OKLCH	oklch(76.8% 0.115 206.6)
XYZ	xyz(35.2903, 47.4206, 72.2456)
Luminance	0.4743 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8D8 #D85242

analogous

#42D89D #42C8D8 #427DD8

triadic

#42C8D8 #D842C8 #C8D842

tetradic

#42C8D8 #9D42D8 #D85242 #7DD842

square

#42C8D8 #9D42D8 #D85242 #7DD842

split-complementary

#42C8D8 #D8427D #D89D42

monochromatic

#1B7984 #26A8B7 #42C8D8 #75D7E2 #A7E6ED

Accessibility & contrast

On white

2.00

#42C8D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#42C8D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8D8

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8D8	#FFFFFF	#000000	##000000
##42C8D8	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C0D9

Deuteranopia (green-blind)

#A2B0D8

Tritanopia (blue-blind)

#00D1CD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c8d8;
/* rgb */ color: rgb(66, 200, 216);
/* oklch */ color: oklch(76.8% 0.115 206.6);

Tailwind

colors: {
  custom: {
    50: '#8ad9e4',
    500: '#42c8d8',
    950: '#000000',
  },
}

SCSS

$custom: #42c8d8;
$custom-light: #8ad9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8d8",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 216
  },
  "hsl": {
    "h": 186.4,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.76803,
    "c": 0.11465,
    "h": 206.6
  },
  "luminance": 0.47425
}

Semantic roles & 50–950 ramp

primary

#42C8D8

secondary

#DAA29C

accent

#513FE9

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C8D8

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

Preview Lab → · Contrast checker → · Palette generator →