#42C7D4#42C7D4

#42C7D4 is a light, moderate teal. Relative luminance 0.468; OKLCH L 76.4% C 0.113 H 204.5°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#42C7D4
RGB	rgb(66, 199, 212)
HSL	hsl(185, 63%, 55%)
HSV	hsv(185, 69%, 83%)
CMYK	cmyk(68.9%, 6.1%, 0%, 16.9%)
CIE-LAB	lab(74.03, -31.24, -16.96)
CIE-LCH	lch(74.03, 35.54, 208.49°)
OKLab	oklab(76.42% -0.1032 -0.0471)
OKLCH	oklch(76.42% 0.113 204.5)
XYZ	xyz(34.5487, 46.7546, 69.4783)
Luminance	0.4676 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7D4 #D44F42

analogous

#42D498 #42C7D4 #427ED4

triadic

#42C7D4 #D442C7 #C7D442

tetradic

#42C7D4 #9842D4 #D44F42 #7ED442

square

#42C7D4 #9842D4 #D44F42 #7ED442

split-complementary

#42C7D4 #D4427E #D49842

monochromatic

#1D767F #28A4B1 #42C7D4 #74D6DF #A6E5EB

Accessibility & contrast

On white

2.03

#42C7D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#42C7D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7D4

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7D4	#FFFFFF	#000000	##000000
##42C7D4	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7BFD5

Deuteranopia (green-blind)

#A2AFD4

Tritanopia (blue-blind)

#00CFCB

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c7d4;
/* rgb */ color: rgb(66, 199, 212);
/* oklch */ color: oklch(76.4% 0.113 204.5);

Tailwind

colors: {
  custom: {
    50: '#8ad8e1',
    500: '#42c7d4',
    950: '#000000',
  },
}

SCSS

$custom: #42c7d4;
$custom-light: #8ad8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7d4",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 212
  },
  "hsl": {
    "h": 185.342,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.76416,
    "c": 0.1134,
    "h": 204.5
  },
  "luminance": 0.46759
}

Semantic roles & 50–950 ramp

primary

#42C7D4

secondary

#D8A09A

accent

#5042E6

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C7D4

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

Preview Lab → · Contrast checker → · Palette generator →