#42C7DD#42C7DD

#42C7DD is a light, moderate teal. Relative luminance 0.472; OKLCH L 76.8% C 0.116 H 210.9°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#42C7DD
RGB	rgb(66, 199, 221)
HSL	hsl(189, 70%, 56%)
HSV	hsv(189, 70%, 87%)
CMYK	cmyk(70.1%, 10%, 0%, 13.3%)
CIE-LAB	lab(74.33, -28.55, -21.38)
CIE-LCH	lch(74.33, 35.66, 216.82°)
OKLab	oklab(76.76% -0.0995 -0.0595)
OKLCH	oklch(76.76% 0.116 210.9)
XYZ	xyz(35.7158, 47.2214, 75.6249)
Luminance	0.4723 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7DD #DD5842

analogous

#42DDA6 #42C7DD #427ADD

triadic

#42C7DD #DD42C7 #C7DD42

tetradic

#42C7DD #A642DD #DD5842 #7ADD42

square

#42C7DD #A642DD #DD5842 #7ADD42

split-complementary

#42C7DD #DD427A #DDA642

monochromatic

#197B8C #22A9BF #42C7DD #76D6E6 #AAE6F0

Accessibility & contrast

On white

2.01

#42C7DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#42C7DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7DD

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7DD	#FFFFFF	#000000	##000000
##42C7DD	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C0DE

Deuteranopia (green-blind)

#9FB0DD

Tritanopia (blue-blind)

#00D0CE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c7dd;
/* rgb */ color: rgb(66, 199, 221);
/* oklch */ color: oklch(76.8% 0.116 210.9);

Tailwind

colors: {
  custom: {
    50: '#8bd8e7',
    500: '#42c7dd',
    950: '#000000',
  },
}

SCSS

$custom: #42c7dd;
$custom-light: #8bd8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7dd",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 221
  },
  "hsl": {
    "h": 188.516,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.76756,
    "c": 0.11593,
    "h": 210.9
  },
  "luminance": 0.47226
}

Semantic roles & 50–950 ramp

primary

#42C7DD

secondary

#DDA79D

accent

#553BEC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C7DD

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

Preview Lab → · Contrast checker → · Palette generator →