#42BAC4#42BAC4

#42BAC4 is a light, moderate teal. Relative luminance 0.403; OKLCH L 72.7% C 0.105 H 203.0°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#42BAC4
RGB	rgb(66, 186, 196)
HSL	hsl(185, 52%, 51%)
HSV	hsv(185, 66%, 77%)
CMYK	cmyk(66.3%, 5.1%, 0%, 23.1%)
CIE-LAB	lab(69.65, -29.65, -14.83)
CIE-LCH	lch(69.65, 33.16, 206.58°)
OKLab	oklab(72.71% -0.0967 -0.0411)
OKLCH	oklch(72.71% 0.105 203)
XYZ	xyz(29.7652, 40.2583, 58.4158)
Luminance	0.4026 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BAC4 #C44C42

analogous

#42C48D #42BAC4 #4279C4

triadic

#42BAC4 #C442BA #BAC442

tetradic

#42BAC4 #8D42C4 #C44C42 #79C442

square

#42BAC4 #8D42C4 #C44C42 #79C442

split-complementary

#42BAC4 #C44279 #C48D42

monochromatic

#21656A #309199 #42BAC4 #71CBD3 #9FDCE1

Accessibility & contrast

On white

2.32

#42BAC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#42BAC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BAC4

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BAC4	#FFFFFF	#000000	##000000
##42BAC4	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB2C5

Deuteranopia (green-blind)

#99A4C5

Tritanopia (blue-blind)

#00C1BD

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bac4;
/* rgb */ color: rgb(66, 186, 196);
/* oklch */ color: oklch(72.7% 0.105 203.0);

Tailwind

colors: {
  custom: {
    50: '#87cfd5',
    500: '#42bac4',
    950: '#000000',
  },
}

SCSS

$custom: #42bac4;
$custom-light: #87cfd5;
$custom-dark: #000000;

JSON

{
  "hex": "#42bac4",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 196
  },
  "hsl": {
    "h": 184.615,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.72706,
    "c": 0.10513,
    "h": 203
  },
  "luminance": 0.40262
}

Semantic roles & 50–950 ramp

primary

#42BAC4

secondary

#CE9994

accent

#574CDC

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1414

muted

#7D8283

Preview Lab

Preview with #42BAC4

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

Preview Lab → · Contrast checker → · Palette generator →