#42C3DC#42C3DC

#42C3DC is a light, moderate teal. Relative luminance 0.454; OKLCH L 75.8% C 0.115 H 213.3°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#42C3DC
RGB	rgb(66, 195, 220)
HSL	hsl(190, 69%, 56%)
HSV	hsv(190, 70%, 86%)
CMYK	cmyk(70%, 11.4%, 0%, 13.7%)
CIE-LAB	lab(73.12, -26.88, -22.67)
CIE-LCH	lch(73.12, 35.17, 220.14°)
OKLab	oklab(75.77% -0.096 -0.0631)
OKLCH	oklch(75.77% 0.115 213.3)
XYZ	xyz(34.6747, 45.3518, 74.6226)
Luminance	0.4536 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C3DC #DC5B42

analogous

#42DCA8 #42C3DC #4276DC

triadic

#42C3DC #DC42C3 #C3DC42

tetradic

#42C3DC #A842DC #DC5B42 #76DC42

square

#42C3DC #A842DC #DC5B42 #76DC42

split-complementary

#42C3DC #DC4276 #DCA842

monochromatic

#1A788A #23A5BE #42C3DC #76D3E6 #A9E4EF

Accessibility & contrast

On white

2.09

#42C3DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#42C3DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3DC

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C3DC	#FFFFFF	#000000	##000000
##42C3DC	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0BDDD

Deuteranopia (green-blind)

#9BADDC

Tritanopia (blue-blind)

#00CDCB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c3dc;
/* rgb */ color: rgb(66, 195, 220);
/* oklch */ color: oklch(75.8% 0.115 213.3);

Tailwind

colors: {
  custom: {
    50: '#8ad5e7',
    500: '#42c3dc',
    950: '#000000',
  },
}

SCSS

$custom: #42c3dc;
$custom-light: #8ad5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42c3dc",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 220
  },
  "hsl": {
    "h": 189.74,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75771,
    "c": 0.11488,
    "h": 213.3
  },
  "luminance": 0.45356
}

Semantic roles & 50–950 ramp

primary

#42C3DC

secondary

#DDA79D

accent

#593CEC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C3DC

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

Preview Lab → · Contrast checker → · Palette generator →