#42B6BC#42B6BC

#42B6BC is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.4% C 0.102 H 200.0°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#42B6BC
RGB	rgb(66, 182, 188)
HSL	hsl(183, 48%, 50%)
HSV	hsv(183, 65%, 74%)
CMYK	cmyk(64.9%, 3.2%, 0%, 26.3%)
CIE-LAB	lab(68.20, -30.04, -12.62)
CIE-LCH	lch(68.20, 32.59, 202.79°)
OKLab	oklab(71.45% -0.096 -0.035)
OKLCH	oklch(71.45% 0.102 200)
XYZ	xyz(28.0479, 38.2419, 53.4704)
Luminance	0.3825 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B6BC #BC4842

analogous

#42BC85 #42B6BC #4279BC

triadic

#42B6BC #BC42B6 #B6BC42

tetradic

#42B6BC #8542BC #BC4842 #79BC42

square

#42B6BC #8542BC #BC4842 #79BC42

split-complementary

#42B6BC #BC4279 #BC8542

monochromatic

#225E61 #328A8F #42B6BC #6FC8CC #9CD9DC

Accessibility & contrast

On white

2.43

#42B6BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#42B6BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B6BC

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B6BC	#FFFFFF	#000000	##000000
##42B6BC	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)

#A9AEBD

Deuteranopia (green-blind)

#97A0BD

Tritanopia (blue-blind)

#00BCB8

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b6bc;
/* rgb */ color: rgb(66, 182, 188);
/* oklch */ color: oklch(71.4% 0.102 200.0);

Tailwind

colors: {
  custom: {
    50: '#86ccd0',
    500: '#42b6bc',
    950: '#000000',
  },
}

SCSS

$custom: #42b6bc;
$custom-light: #86ccd0;
$custom-dark: #000000;

JSON

{
  "hex": "#42b6bc",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 188
  },
  "hsl": {
    "h": 182.951,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71446,
    "c": 0.1022,
    "h": 200
  },
  "luminance": 0.38245
}

Semantic roles & 50–950 ramp

primary

#42B6BC

secondary

#C99491

accent

#5750D8

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B6BC

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

Preview Lab → · Contrast checker → · Palette generator →