#42B6CA#42B6CA

#42B6CA is a light, moderate teal. Relative luminance 0.389; OKLCH L 72.0% C 0.105 H 211.2°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#42B6CA
RGB	rgb(66, 182, 202)
HSL	hsl(189, 56%, 53%)
HSV	hsv(189, 67%, 79%)
CMYK	cmyk(67.3%, 9.9%, 0%, 20.8%)
CIE-LAB	lab(68.66, -25.89, -19.63)
CIE-LCH	lch(68.66, 32.49, 217.18°)
OKLab	oklab(71.97% -0.0902 -0.0546)
OKLCH	oklch(71.97% 0.105 211.2)
XYZ	xyz(29.6309, 38.8751, 61.8077)
Luminance	0.3888 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B6CA #CA5642

analogous

#42CA9A #42B6CA #4272CA

triadic

#42B6CA #CA42B6 #B6CA42

tetradic

#42B6CA #9A42CA #CA5642 #72CA42

square

#42B6CA #9A42CA #CA5642 #72CA42

split-complementary

#42B6CA #CA4272 #CA9A42

monochromatic

#206672 #2D90A2 #42B6CA #72C8D7 #A2DBE5

Accessibility & contrast

On white

2.39

#42B6CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#42B6CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B6CA

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B6CA	#FFFFFF	#000000	##000000
##42B6CA	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B0CB

Deuteranopia (green-blind)

#92A1CA

Tritanopia (blue-blind)

#00BFBC

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42b6ca;
/* rgb */ color: rgb(66, 182, 202);
/* oklch */ color: oklch(72.0% 0.105 211.2);

Tailwind

colors: {
  custom: {
    50: '#87ccda',
    500: '#42b6ca',
    950: '#000000',
  },
}

SCSS

$custom: #42b6ca;
$custom-light: #87ccda;
$custom-dark: #000000;

JSON

{
  "hex": "#42b6ca",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 202
  },
  "hsl": {
    "h": 188.824,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71972,
    "c": 0.10542,
    "h": 211.2
  },
  "luminance": 0.38878
}

Semantic roles & 50–950 ramp

primary

#42B6CA

secondary

#D19F96

accent

#5F48DF

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #42B6CA

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

Preview Lab → · Contrast checker → · Palette generator →