#42BCC4#42BCC4

#42BCC4 is a light, moderate teal. Relative luminance 0.411; OKLCH L 73.2% C 0.106 H 201.4°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#42BCC4
RGB	rgb(66, 188, 196)
HSL	hsl(184, 52%, 51%)
HSV	hsv(184, 66%, 77%)
CMYK	cmyk(66.3%, 4.1%, 0%, 23.1%)
CIE-LAB	lab(70.25, -30.62, -13.94)
CIE-LCH	lch(70.25, 33.64, 204.47°)
OKLab	oklab(73.19% -0.0988 -0.0386)
OKLCH	oklch(73.19% 0.106 201.4)
XYZ	xyz(30.1894, 41.1068, 58.5572)
Luminance	0.4111 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCC4 #C44A42

analogous

#42C48B #42BCC4 #427BC4

triadic

#42BCC4 #C442BC #BCC442

tetradic

#42BCC4 #8B42C4 #C44A42 #7BC442

square

#42BCC4 #8B42C4 #C44A42 #7BC442

split-complementary

#42BCC4 #C4427B #C48B42

monochromatic

#21666A #309399 #42BCC4 #71CDD3 #9FDDE1

Accessibility & contrast

On white

2.28

#42BCC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.22

#42BCC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCC4

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCC4	#FFFFFF	#000000	##000000
##42BCC4	1.00	2.28	9.22	9.22
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.22	21.00	1.00	1.00
##000000	9.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB4C5

Deuteranopia (green-blind)

#9BA6C5

Tritanopia (blue-blind)

#00C3BE

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42bcc4;
/* rgb */ color: rgb(66, 188, 196);
/* oklch */ color: oklch(73.2% 0.106 201.4);

Tailwind

colors: {
  custom: {
    50: '#87d0d5',
    500: '#42bcc4',
    950: '#000000',
  },
}

SCSS

$custom: #42bcc4;
$custom-light: #87d0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcc4",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 196
  },
  "hsl": {
    "h": 183.692,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.73189,
    "c": 0.10609,
    "h": 201.4
  },
  "luminance": 0.4111
}

Semantic roles & 50–950 ramp

primary

#42BCC4

secondary

#CE9894

accent

#554CDC

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1414

muted

#7D8283

Preview Lab

Preview with #42BCC4

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

Preview Lab → · Contrast checker → · Palette generator →