#42BCC5#42BCC5

#42BCC5 is a light, moderate teal. Relative luminance 0.412; OKLCH L 73.2% C 0.106 H 202.1°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#42BCC5
RGB	rgb(66, 188, 197)
HSL	hsl(184, 53%, 52%)
HSV	hsv(184, 66%, 77%)
CMYK	cmyk(66.5%, 4.6%, 0%, 22.7%)
CIE-LAB	lab(70.28, -30.33, -14.44)
CIE-LCH	lch(70.28, 33.59, 205.45°)
OKLab	oklab(73.23% -0.0984 -0.04)
OKLCH	oklch(73.23% 0.106 202.1)
XYZ	xyz(30.3036, 41.1525, 59.1587)
Luminance	0.4116 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCC5 #C54B42

analogous

#42C58D #42BCC5 #427BC5

triadic

#42BCC5 #C542BC #BCC542

tetradic

#42BCC5 #8D42C5 #C54B42 #7BC542

square

#42BCC5 #8D42C5 #C54B42 #7BC542

split-complementary

#42BCC5 #C5427B #C58D42

monochromatic

#21666C #2F939A #42BCC5 #71CDD3 #A0DDE2

Accessibility & contrast

On white

2.27

#42BCC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#42BCC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCC5

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCC5	#FFFFFF	#000000	##000000
##42BCC5	1.00	2.27	9.23	9.23
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB4C6

Deuteranopia (green-blind)

#9BA6C6

Tritanopia (blue-blind)

#00C3BE

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42bcc5;
/* rgb */ color: rgb(66, 188, 197);
/* oklch */ color: oklch(73.2% 0.106 202.1);

Tailwind

colors: {
  custom: {
    50: '#87d0d6',
    500: '#42bcc5',
    950: '#000000',
  },
}

SCSS

$custom: #42bcc5;
$custom-light: #87d0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcc5",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 197
  },
  "hsl": {
    "h": 184.122,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.73226,
    "c": 0.1062,
    "h": 202.1
  },
  "luminance": 0.41156
}

Semantic roles & 50–950 ramp

primary

#42BCC5

secondary

#CE9995

accent

#554BDC

background

#F9FCFD

surface

#F1F9FA

border

#CBD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #42BCC5

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

Preview Lab → · Contrast checker → · Palette generator →