#42BDD4#42BDD4

#42BDD4 is a light, moderate teal. Relative luminance 0.423; OKLCH L 74.0% C 0.111 H 212.6°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#42BDD4
RGB	rgb(66, 189, 212)
HSL	hsl(189, 63%, 55%)
HSV	hsv(189, 69%, 83%)
CMYK	cmyk(68.9%, 10.8%, 0%, 16.9%)
CIE-LAB	lab(71.08, -26.34, -21.43)
CIE-LCH	lch(71.08, 33.96, 219.13°)
OKLab	oklab(74.03% -0.0932 -0.0596)
OKLCH	oklch(74.03% 0.111 212.6)
XYZ	xyz(32.3230, 42.3032, 68.7364)
Luminance	0.4231 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BDD4 #D45942

analogous

#42D4A2 #42BDD4 #4274D4

triadic

#42BDD4 #D442BD #BDD442

tetradic

#42BDD4 #A242D4 #D45942 #74D442

square

#42BDD4 #A242D4 #D45942 #74D442

split-complementary

#42BDD4 #D44274 #D4A242

monochromatic

#1D6F7F #289BB1 #42BDD4 #74CEDF #A6E0EB

Accessibility & contrast

On white

2.22

#42BDD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#42BDD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BDD4

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BDD4	#FFFFFF	#000000	##000000
##42BDD4	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB7D5

Deuteranopia (green-blind)

#97A7D4

Tritanopia (blue-blind)

#00C6C4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42bdd4;
/* rgb */ color: rgb(66, 189, 212);
/* oklch */ color: oklch(74.0% 0.111 212.6);

Tailwind

colors: {
  custom: {
    50: '#89d1e1',
    500: '#42bdd4',
    950: '#000000',
  },
}

SCSS

$custom: #42bdd4;
$custom-light: #89d1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42bdd4",
  "rgb": {
    "r": 66,
    "g": 189,
    "b": 212
  },
  "hsl": {
    "h": 189.452,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.74034,
    "c": 0.11067,
    "h": 212.6
  },
  "luminance": 0.42307
}

Semantic roles & 50–950 ramp

primary

#42BDD4

secondary

#D8A49A

accent

#5C42E6

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BDD4

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

Preview Lab → · Contrast checker → · Palette generator →