#42BCD4#42BCD4

#42BCD4 is a light, moderate teal. Relative luminance 0.419; OKLCH L 73.8% C 0.111 H 213.4°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#42BCD4
RGB	rgb(66, 188, 212)
HSL	hsl(190, 63%, 55%)
HSV	hsv(190, 69%, 83%)
CMYK	cmyk(68.9%, 11.3%, 0%, 16.9%)
CIE-LAB	lab(70.78, -25.84, -21.88)
CIE-LCH	lch(70.78, 33.86, 220.26°)
OKLab	oklab(73.8% -0.0922 -0.0609)
OKLCH	oklch(73.8% 0.111 213.4)
XYZ	xyz(32.1086, 41.8745, 68.6650)
Luminance	0.4188 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCD4 #D45A42

analogous

#42D4A3 #42BCD4 #4273D4

triadic

#42BCD4 #D442BC #BCD442

tetradic

#42BCD4 #A342D4 #D45A42 #73D442

square

#42BCD4 #A342D4 #D45A42 #73D442

split-complementary

#42BCD4 #D44273 #D4A342

monochromatic

#1D6F7F #289AB1 #42BCD4 #74CEDF #A6DFEB

Accessibility & contrast

On white

2.24

#42BCD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#42BCD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCD4

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCD4	#FFFFFF	#000000	##000000
##42BCD4	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB6D5

Deuteranopia (green-blind)

#95A7D4

Tritanopia (blue-blind)

#00C5C3

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #42bcd4;
/* rgb */ color: rgb(66, 188, 212);
/* oklch */ color: oklch(73.8% 0.111 213.4);

Tailwind

colors: {
  custom: {
    50: '#89d0e1',
    500: '#42bcd4',
    950: '#000000',
  },
}

SCSS

$custom: #42bcd4;
$custom-light: #89d0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcd4",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 212
  },
  "hsl": {
    "h": 189.863,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73797,
    "c": 0.11052,
    "h": 213.4
  },
  "luminance": 0.41878
}

Semantic roles & 50–950 ramp

primary

#42BCD4

secondary

#D8A49A

accent

#5D42E6

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BCD4

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

Preview Lab → · Contrast checker → · Palette generator →