#42B8CD#42B8CD

#42B8CD is a light, moderate teal. Relative luminance 0.398; OKLCH L 72.6% C 0.107 H 211.7°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#42B8CD
RGB	rgb(66, 184, 205)
HSL	hsl(189, 58%, 53%)
HSV	hsv(189, 68%, 80%)
CMYK	cmyk(67.8%, 10.2%, 0%, 19.6%)
CIE-LAB	lab(69.36, -25.98, -20.22)
CIE-LCH	lch(69.36, 32.92, 217.90°)
OKLab	oklab(72.57% -0.091 -0.0562)
OKLCH	oklch(72.57% 0.107 211.7)
XYZ	xyz(30.4020, 39.8436, 63.8341)
Luminance	0.3985 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B8CD #CD5742

analogous

#42CD9D #42B8CD #4272CD

triadic

#42B8CD #CD42B8 #B8CD42

tetradic

#42B8CD #9D42CD #CD5742 #72CD42

square

#42B8CD #9D42CD #CD5742 #72CD42

split-complementary

#42B8CD #CD4272 #CD9D42

monochromatic

#1F6876 #2C93A6 #42B8CD #72CADA #A3DCE7

Accessibility & contrast

On white

2.34

#42B8CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#42B8CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B8CD

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B8CD	#FFFFFF	#000000	##000000
##42B8CD	1.00	2.34	8.97	8.97
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.97	21.00	1.00	1.00
##000000	8.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B2CE

Deuteranopia (green-blind)

#93A3CD

Tritanopia (blue-blind)

#00C1BE

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42b8cd;
/* rgb */ color: rgb(66, 184, 205);
/* oklch */ color: oklch(72.6% 0.107 211.7);

Tailwind

colors: {
  custom: {
    50: '#88cddc',
    500: '#42b8cd',
    950: '#000000',
  },
}

SCSS

$custom: #42b8cd;
$custom-light: #88cddc;
$custom-dark: #000000;

JSON

{
  "hex": "#42b8cd",
  "rgb": {
    "r": 66,
    "g": 184,
    "b": 205
  },
  "hsl": {
    "h": 189.065,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72568,
    "c": 0.10698,
    "h": 211.7
  },
  "luminance": 0.39847
}

Semantic roles & 50–950 ramp

primary

#42B8CD

secondary

#D3A097

accent

#5E46E1

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42B8CD

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

Preview Lab → · Contrast checker → · Palette generator →