#42B0BC#42B0BC

#42B0BC is a light, moderate teal. Relative luminance 0.358; OKLCH L 70.0% C 0.099 H 205.3°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#42B0BC
RGB	rgb(66, 176, 188)
HSL	hsl(186, 48%, 50%)
HSV	hsv(186, 65%, 74%)
CMYK	cmyk(64.9%, 6.4%, 0%, 26.3%)
CIE-LAB	lab(66.39, -27.10, -15.33)
CIE-LCH	lch(66.39, 31.13, 209.51°)
OKLab	oklab(69.99% -0.0898 -0.0425)
OKLCH	oklch(69.99% 0.099 205.3)
XYZ	xyz(26.8453, 35.8368, 53.0696)
Luminance	0.3584 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B0BC #BC4E42

analogous

#42BC8B #42B0BC #4273BC

triadic

#42B0BC #BC42B0 #B0BC42

tetradic

#42B0BC #8B42BC #BC4E42 #73BC42

square

#42B0BC #8B42BC #BC4E42 #73BC42

split-complementary

#42B0BC #BC4273 #BC8B42

monochromatic

#225B61 #32868F #42B0BC #6FC3CC #9CD6DC

Accessibility & contrast

On white

2.57

#42B0BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#42B0BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B0BC

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B0BC	#FFFFFF	#000000	##000000
##42B0BC	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2A9BD

Deuteranopia (green-blind)

#909CBC

Tritanopia (blue-blind)

#00B7B3

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42b0bc;
/* rgb */ color: rgb(66, 176, 188);
/* oklch */ color: oklch(70.0% 0.099 205.3);

Tailwind

colors: {
  custom: {
    50: '#85c8d0',
    500: '#42b0bc',
    950: '#000000',
  },
}

SCSS

$custom: #42b0bc;
$custom-light: #85c8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42b0bc",
  "rgb": {
    "r": 66,
    "g": 176,
    "b": 188
  },
  "hsl": {
    "h": 185.902,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.6999,
    "c": 0.09935,
    "h": 205.3
  },
  "luminance": 0.3584
}

Semantic roles & 50–950 ramp

primary

#42B0BC

secondary

#C99791

accent

#5E50D8

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B0BC

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

Preview Lab → · Contrast checker → · Palette generator →