#42B0D6#42B0D6

#42B0D6 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.0% C 0.112 H 224.9°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#42B0D6
RGB	rgb(66, 176, 214)
HSL	hsl(195, 64%, 55%)
HSV	hsv(195, 69%, 84%)
CMYK	cmyk(69.2%, 17.8%, 0%, 16.1%)
CIE-LAB	lab(67.32, -19.08, -28.28)
CIE-LCH	lch(67.32, 34.11, 236.00°)
OKLab	oklab(71.04% -0.0795 -0.0791)
OKLCH	oklch(71.04% 0.112 224.9)
XYZ	xyz(29.9048, 37.0606, 69.1826)
Luminance	0.3706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B0D6 #D66842

analogous

#42D6B2 #42B0D6 #4266D6

triadic

#42B0D6 #D642B0 #B0D642

tetradic

#42B0D6 #B242D6 #D66842 #66D642

square

#42B0D6 #B242D6 #D66842 #66D642

split-complementary

#42B0D6 #D64266 #D6B242

monochromatic

#1C6782 #2790B4 #42B0D6 #74C5E1 #A7DAEC

Accessibility & contrast

On white

2.50

#42B0D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#42B0D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B0D6

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B0D6	#FFFFFF	#000000	##000000
##42B0D6	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BACD8

Deuteranopia (green-blind)

#879DD6

Tritanopia (blue-blind)

#00BBBC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42b0d6;
/* rgb */ color: rgb(66, 176, 214);
/* oklch */ color: oklch(71.0% 0.112 224.9);

Tailwind

colors: {
  custom: {
    50: '#88c7e2',
    500: '#42b0d6',
    950: '#000000',
  },
}

SCSS

$custom: #42b0d6;
$custom-light: #88c7e2;
$custom-dark: #000000;

JSON

{
  "hex": "#42b0d6",
  "rgb": {
    "r": 66,
    "g": 176,
    "b": 214
  },
  "hsl": {
    "h": 195.405,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.71042,
    "c": 0.11215,
    "h": 224.9
  },
  "luminance": 0.37064
}

Semantic roles & 50–950 ramp

primary

#42B0D6

secondary

#D9AB9B

accent

#6B40E7

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42B0D6

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

Preview Lab → · Contrast checker → · Palette generator →