#42B4BA#42B4BA

#42B4BA is a light, moderate teal. Relative luminance 0.373; OKLCH L 70.9% C 0.101 H 200.1°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#42B4BA
RGB	rgb(66, 180, 186)
HSL	hsl(183, 48%, 49%)
HSV	hsv(183, 65%, 73%)
CMYK	cmyk(64.5%, 3.2%, 0%, 27.1%)
CIE-LAB	lab(67.53, -29.65, -12.51)
CIE-LCH	lch(67.53, 32.18, 202.88°)
OKLab	oklab(70.89% -0.0948 -0.0347)
OKLCH	oklch(70.89% 0.101 200.1)
XYZ	xyz(27.4271, 37.3429, 52.2073)
Luminance	0.3735 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B4BA #BA4842

analogous

#42BA84 #42B4BA #4278BA

triadic

#42B4BA #BA42B4 #B4BA42

tetradic

#42B4BA #8442BA #BA4842 #78BA42

square

#42B4BA #8442BA #BA4842 #78BA42

split-complementary

#42B4BA #BA4278 #BA8442

monochromatic

#225D60 #32888D #42B4BA #6EC7CB #9BD8DB

Accessibility & contrast

On white

2.48

#42B4BA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#42B4BA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B4BA

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B4BA	#FFFFFF	#000000	##000000
##42B4BA	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACBB

Deuteranopia (green-blind)

#959FBB

Tritanopia (blue-blind)

#00BAB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42b4ba;
/* rgb */ color: rgb(66, 180, 186);
/* oklch */ color: oklch(70.9% 0.101 200.1);

Tailwind

colors: {
  custom: {
    50: '#85cbce',
    500: '#42b4ba',
    950: '#000000',
  },
}

SCSS

$custom: #42b4ba;
$custom-light: #85cbce;
$custom-dark: #000000;

JSON

{
  "hex": "#42b4ba",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 186
  },
  "hsl": {
    "h": 183,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70887,
    "c": 0.10096,
    "h": 200.1
  },
  "luminance": 0.37346
}

Semantic roles & 50–950 ramp

primary

#42B4BA

secondary

#C89390

accent

#5751D7

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #42B4BA

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

Preview Lab → · Contrast checker → · Palette generator →