#42B7B2#42B7B2

#42B7B2 is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.3% C 0.103 H 191.1°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#42B7B2
RGB	rgb(66, 183, 178)
HSL	hsl(177, 47%, 49%)
HSV	hsv(177, 64%, 72%)
CMYK	cmyk(63.9%, 0%, 2.7%, 28.2%)
CIE-LAB	lab(68.19, -33.36, -7.11)
CIE-LCH	lch(68.19, 34.11, 192.03°)
OKLab	oklab(71.34% -0.1014 -0.0198)
OKLCH	oklch(71.34% 0.103 191.1)
XYZ	xyz(27.2125, 38.2366, 48.0571)
Luminance	0.3824 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7B2 #B74247

analogous

#42B778 #42B7B2 #4282B7

triadic

#42B7B2 #B242B7 #B7B242

tetradic

#42B7B2 #7842B7 #B74247 #82B742

square

#42B7B2 #7842B7 #B74247 #82B742

split-complementary

#42B7B2 #B74282 #B77842

monochromatic

#225D5B #328A86 #42B7B2 #6CCAC6 #99DAD7

Accessibility & contrast

On white

2.43

#42B7B2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#42B7B2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7B2

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7B2	#FFFFFF	#000000	##000000
##42B7B2	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADAEB2

Deuteranopia (green-blind)

#9BA1B3

Tritanopia (blue-blind)

#00BCB5

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b7b2;
/* rgb */ color: rgb(66, 183, 178);
/* oklch */ color: oklch(71.3% 0.103 191.1);

Tailwind

colors: {
  custom: {
    50: '#85cdc9',
    500: '#42b7b2',
    950: '#000000',
  },
}

SCSS

$custom: #42b7b2;
$custom-light: #85cdc9;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7b2",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 178
  },
  "hsl": {
    "h": 177.436,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71341,
    "c": 0.10335,
    "h": 191.1
  },
  "luminance": 0.3824
}

Semantic roles & 50–950 ramp

primary

#42B7B2

secondary

#C68F91

accent

#5157D7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #42B7B2

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

Preview Lab → · Contrast checker → · Palette generator →