#42B2BC#42B2BC

#42B2BC is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.5% C 0.100 H 203.5°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#42B2BC
RGB	rgb(66, 178, 188)
HSL	hsl(185, 48%, 50%)
HSV	hsv(185, 65%, 74%)
CMYK	cmyk(64.9%, 5.3%, 0%, 26.3%)
CIE-LAB	lab(67.00, -28.09, -14.43)
CIE-LCH	lch(67.00, 31.58, 207.19°)
OKLab	oklab(70.47% -0.0919 -0.04)
OKLCH	oklch(70.47% 0.1 203.5)
XYZ	xyz(27.2404, 36.6269, 53.2013)
Luminance	0.3663 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B2BC #BC4C42

analogous

#42BC89 #42B2BC #4275BC

triadic

#42B2BC #BC42B2 #B2BC42

tetradic

#42B2BC #8942BC #BC4C42 #75BC42

square

#42B2BC #8942BC #BC4C42 #75BC42

split-complementary

#42B2BC #BC4275 #BC8942

monochromatic

#225C61 #32878F #42B2BC #6FC5CC #9CD7DC

Accessibility & contrast

On white

2.52

#42B2BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#42B2BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B2BC

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B2BC	#FFFFFF	#000000	##000000
##42B2BC	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5ABBD

Deuteranopia (green-blind)

#929DBC

Tritanopia (blue-blind)

#00B9B5

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b2bc;
/* rgb */ color: rgb(66, 178, 188);
/* oklch */ color: oklch(70.5% 0.100 203.5);

Tailwind

colors: {
  custom: {
    50: '#85c9d0',
    500: '#42b2bc',
    950: '#000000',
  },
}

SCSS

$custom: #42b2bc;
$custom-light: #85c9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42b2bc",
  "rgb": {
    "r": 66,
    "g": 178,
    "b": 188
  },
  "hsl": {
    "h": 184.918,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.70475,
    "c": 0.10021,
    "h": 203.5
  },
  "luminance": 0.3663
}

Semantic roles & 50–950 ramp

primary

#42B2BC

secondary

#C99691

accent

#5B50D8

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B2BC

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

Preview Lab → · Contrast checker → · Palette generator →