#42BDD7#42BDD7

#42BDD7 is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.2% C 0.112 H 214.7°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#42BDD7
RGB	rgb(66, 189, 215)
HSL	hsl(190, 65%, 55%)
HSV	hsv(190, 69%, 84%)
CMYK	cmyk(69.3%, 12.1%, 0%, 15.7%)
CIE-LAB	lab(71.18, -25.42, -22.91)
CIE-LCH	lch(71.18, 34.22, 222.02°)
OKLab	oklab(74.15% -0.092 -0.0638)
OKLCH	oklch(74.15% 0.112 214.7)
XYZ	xyz(32.7049, 42.4560, 70.7480)
Luminance	0.4246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BDD7 #D75C42

analogous

#42D7A7 #42BDD7 #4272D7

triadic

#42BDD7 #D742BD #BDD742

tetradic

#42BDD7 #A742D7 #D75C42 #72D742

square

#42BDD7 #A742D7 #D75C42 #72D742

split-complementary

#42BDD7 #D74272 #D7A742

monochromatic

#1C7183 #269CB5 #42BDD7 #75CFE2 #A7E0EC

Accessibility & contrast

On white

2.21

#42BDD7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#42BDD7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BDD7

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BDD7	#FFFFFF	#000000	##000000
##42BDD7	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB7D8

Deuteranopia (green-blind)

#96A8D7

Tritanopia (blue-blind)

#00C7C5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42bdd7;
/* rgb */ color: rgb(66, 189, 215);
/* oklch */ color: oklch(74.2% 0.112 214.7);

Tailwind

colors: {
  custom: {
    50: '#89d1e3',
    500: '#42bdd7',
    950: '#000000',
  },
}

SCSS

$custom: #42bdd7;
$custom-light: #89d1e3;
$custom-dark: #000000;

JSON

{
  "hex": "#42bdd7",
  "rgb": {
    "r": 66,
    "g": 189,
    "b": 215
  },
  "hsl": {
    "h": 190.47,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.74153,
    "c": 0.11199,
    "h": 214.7
  },
  "luminance": 0.4246
}

Semantic roles & 50–950 ramp

primary

#42BDD7

secondary

#DAA69B

accent

#5D40E8

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #42BDD7

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

Preview Lab → · Contrast checker → · Palette generator →