#42B6BB#42B6BB

#42B6BB is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.4% C 0.102 H 199.2°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#42B6BB
RGB	rgb(66, 182, 187)
HSL	hsl(182, 48%, 50%)
HSV	hsv(182, 65%, 73%)
CMYK	cmyk(64.7%, 2.7%, 0%, 26.7%)
CIE-LAB	lab(68.17, -30.33, -12.12)
CIE-LCH	lch(68.17, 32.66, 201.78°)
OKLab	oklab(71.41% -0.0965 -0.0336)
OKLCH	oklch(71.41% 0.102 199.2)
XYZ	xyz(27.9404, 38.1989, 52.9047)
Luminance	0.3820 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B6BB #BB4742

analogous

#42BB83 #42B6BB #427ABB

triadic

#42B6BB #BB42B6 #B6BB42

tetradic

#42B6BB #8342BB #BB4742 #7ABB42

square

#42B6BB #8342BB #BB4742 #7ABB42

split-complementary

#42B6BB #BB427A #BB8342

monochromatic

#225E61 #328A8E #42B6BB #6EC8CC #9CD9DC

Accessibility & contrast

On white

2.43

#42B6BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#42B6BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B6BB

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B6BB	#FFFFFF	#000000	##000000
##42B6BB	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9AEBC

Deuteranopia (green-blind)

#97A0BC

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b6bb;
/* rgb */ color: rgb(66, 182, 187);
/* oklch */ color: oklch(71.4% 0.102 199.2);

Tailwind

colors: {
  custom: {
    50: '#86cccf',
    500: '#42b6bb',
    950: '#000000',
  },
}

SCSS

$custom: #42b6bb;
$custom-light: #86cccf;
$custom-dark: #000000;

JSON

{
  "hex": "#42b6bb",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 187
  },
  "hsl": {
    "h": 182.479,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.7141,
    "c": 0.10214,
    "h": 199.2
  },
  "luminance": 0.38202
}

Semantic roles & 50–950 ramp

primary

#42B6BB

secondary

#C89391

accent

#5650D7

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #42B6BB

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

Preview Lab → · Contrast checker → · Palette generator →