#42C7DC#42C7DC

#42C7DC is a light, moderate teal. Relative luminance 0.472; OKLCH L 76.7% C 0.116 H 210.2°. Best body text is #000000 at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#42C7DC
RGB	rgb(66, 199, 220)
HSL	hsl(188, 69%, 56%)
HSV	hsv(188, 70%, 86%)
CMYK	cmyk(70%, 9.5%, 0%, 13.7%)
CIE-LAB	lab(74.30, -28.85, -20.89)
CIE-LCH	lch(74.30, 35.62, 215.90°)
OKLab	oklab(76.72% -0.0999 -0.0581)
OKLCH	oklch(76.72% 0.116 210.2)
XYZ	xyz(35.5829, 47.1683, 74.9253)
Luminance	0.4717 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7DC #DC5742

analogous

#42DCA4 #42C7DC #427ADC

triadic

#42C7DC #DC42C7 #C7DC42

tetradic

#42C7DC #A442DC #DC5742 #7ADC42

square

#42C7DC #A442DC #DC5742 #7ADC42

split-complementary

#42C7DC #DC427A #DCA442

monochromatic

#1A7B8A #23A9BE #42C7DC #76D6E6 #A9E6EF

Accessibility & contrast

On white

2.01

#42C7DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.43

#42C7DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7DC

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7DC	#FFFFFF	#000000	##000000
##42C7DC	1.00	2.01	10.43	10.43
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.43	21.00	1.00	1.00
##000000	10.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C0DD

Deuteranopia (green-blind)

#9FB0DC

Tritanopia (blue-blind)

#00D0CD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c7dc;
/* rgb */ color: rgb(66, 199, 220);
/* oklch */ color: oklch(76.7% 0.116 210.2);

Tailwind

colors: {
  custom: {
    50: '#8bd8e6',
    500: '#42c7dc',
    950: '#000000',
  },
}

SCSS

$custom: #42c7dc;
$custom-light: #8bd8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7dc",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 220
  },
  "hsl": {
    "h": 188.182,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76718,
    "c": 0.11557,
    "h": 210.2
  },
  "luminance": 0.47172
}

Semantic roles & 50–950 ramp

primary

#42C7DC

secondary

#DDA69D

accent

#543CEC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C7DC

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

Preview Lab → · Contrast checker → · Palette generator →