#42A09D#42A09D

#42A09D is a light, moderate teal. Relative luminance 0.287; OKLCH L 64.9% C 0.088 H 192.3°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#42A09D
RGB	rgb(66, 160, 157)
HSL	hsl(178, 42%, 44%)
HSV	hsv(178, 59%, 63%)
CMYK	cmyk(58.8%, 0%, 1.9%, 37.3%)
CIE-LAB	lab(60.54, -28.14, -6.75)
CIE-LCH	lch(60.54, 28.94, 193.49°)
OKLab	oklab(64.94% -0.086 -0.0188)
OKLCH	oklch(64.94% 0.088 192.3)
XYZ	xyz(20.9007, 28.7321, 36.3361)
Luminance	0.2873 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A09D #A04245

analogous

#42A06E #42A09D #4274A0

triadic

#42A09D #9D42A0 #A09D42

tetradic

#42A09D #6E42A0 #A04245 #74A042

square

#42A09D #6E42A0 #A04245 #74A042

split-complementary

#42A09D #A04274 #A06E42

monochromatic

#1E4948 #307572 #42A09D #61BEBB #8DD0CE

Accessibility & contrast

On white

3.11

#42A09D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#42A09D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A09D

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A09D	#FFFFFF	#000000	##000000
##42A09D	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97989D

Deuteranopia (green-blind)

#888D9E

Tritanopia (blue-blind)

#00A49F

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #42a09d;
/* rgb */ color: rgb(66, 160, 157);
/* oklch */ color: oklch(64.9% 0.088 192.3);

Tailwind

colors: {
  custom: {
    50: '#81bcb9',
    500: '#42a09d',
    950: '#000000',
  },
}

SCSS

$custom: #42a09d;
$custom-light: #81bcb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42a09d",
  "rgb": {
    "r": 66,
    "g": 160,
    "b": 157
  },
  "hsl": {
    "h": 178.085,
    "s": 41.593,
    "l": 44.314
  },
  "oklch": {
    "l": 0.64937,
    "c": 0.08807,
    "h": 192.3
  },
  "luminance": 0.28734
}

Semantic roles & 50–950 ramp

primary

#42A09D

secondary

#BB8385

accent

#565AD1

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0B1211

muted

#7C8180

Preview Lab

Preview with #42A09D

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

Preview Lab → · Contrast checker → · Palette generator →