#42BDDB#42BDDB

#42BDDB is a light, moderate cyan. Relative luminance 0.427; OKLCH L 74.3% C 0.114 H 217.5°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#42BDDB
RGB	rgb(66, 189, 219)
HSL	hsl(192, 68%, 56%)
HSV	hsv(192, 70%, 86%)
CMYK	cmyk(69.9%, 13.7%, 0%, 14.1%)
CIE-LAB	lab(71.33, -24.19, -24.87)
CIE-LCH	lch(71.33, 34.69, 225.80°)
OKLab	oklab(74.32% -0.0905 -0.0694)
OKLCH	oklch(74.32% 0.114 217.5)
XYZ	xyz(33.2252, 42.6641, 73.4880)
Luminance	0.4267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BDDB #DB6042

analogous

#42DBAD #42BDDB #4270DB

triadic

#42BDDB #DB42BD #BDDB42

tetradic

#42BDDB #AD42DB #DB6042 #70DB42

square

#42BDDB #AD42DB #DB6042 #70DB42

split-complementary

#42BDDB #DB4270 #DBAD42

monochromatic

#1A7389 #249EBC #42BDDB #75CFE5 #A9E1EF

Accessibility & contrast

On white

2.20

#42BDDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.53

#42BDDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BDDB

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BDDB	#FFFFFF	#000000	##000000
##42BDDB	1.00	2.20	9.53	9.53
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.53	21.00	1.00	1.00
##000000	9.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B8DD

Deuteranopia (green-blind)

#94A8DB

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42bddb;
/* rgb */ color: rgb(66, 189, 219);
/* oklch */ color: oklch(74.3% 0.114 217.5);

Tailwind

colors: {
  custom: {
    50: '#8ad1e6',
    500: '#42bddb',
    950: '#000000',
  },
}

SCSS

$custom: #42bddb;
$custom-light: #8ad1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#42bddb",
  "rgb": {
    "r": 66,
    "g": 189,
    "b": 219
  },
  "hsl": {
    "h": 191.765,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.74315,
    "c": 0.11401,
    "h": 217.5
  },
  "luminance": 0.42668
}

Semantic roles & 50–950 ramp

primary

#42BDDB

secondary

#DCA99D

accent

#5F3DEB

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BDDB

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

Preview Lab → · Contrast checker → · Palette generator →