#42C3D3#42C3D3

#42C3D3 is a light, moderate teal. Relative luminance 0.449; OKLCH L 75.4% C 0.112 H 207.0°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#42C3D3
RGB	rgb(66, 195, 211)
HSL	hsl(187, 62%, 54%)
HSV	hsv(187, 69%, 83%)
CMYK	cmyk(68.7%, 7.6%, 0%, 17.3%)
CIE-LAB	lab(72.82, -29.60, -18.25)
CIE-LCH	lch(72.82, 34.77, 211.66°)
OKLab	oklab(75.43% -0.0996 -0.0507)
OKLCH	oklch(75.43% 0.112 207)
XYZ	xyz(33.5147, 44.8878, 68.5133)
Luminance	0.4489 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C3D3 #D35242

analogous

#42D39B #42C3D3 #427AD3

triadic

#42C3D3 #D342C3 #C3D342

tetradic

#42C3D3 #9B42D3 #D35242 #7AD342

square

#42C3D3 #9B42D3 #D35242 #7AD342

split-complementary

#42C3D3 #D3427A #D39B42

monochromatic

#1D737D #29A0AF #42C3D3 #74D3DF #A5E3EA

Accessibility & contrast

On white

2.10

#42C3D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#42C3D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3D3

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C3D3	#FFFFFF	#000000	##000000
##42C3D3	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3BCD4

Deuteranopia (green-blind)

#9EACD3

Tritanopia (blue-blind)

#00CBC8

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c3d3;
/* rgb */ color: rgb(66, 195, 211);
/* oklch */ color: oklch(75.4% 0.112 207.0);

Tailwind

colors: {
  custom: {
    50: '#89d5e0',
    500: '#42c3d3',
    950: '#000000',
  },
}

SCSS

$custom: #42c3d3;
$custom-light: #89d5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c3d3",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 211
  },
  "hsl": {
    "h": 186.621,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.75425,
    "c": 0.11176,
    "h": 207
  },
  "luminance": 0.44892
}

Semantic roles & 50–950 ramp

primary

#42C3D3

secondary

#D7A09A

accent

#5442E5

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C3D3

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

Preview Lab → · Contrast checker → · Palette generator →