#42B6CE#42B6CE

#42B6CE is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.1% C 0.107 H 214.2°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#42B6CE
RGB	rgb(66, 182, 206)
HSL	hsl(190, 59%, 53%)
HSV	hsv(190, 68%, 81%)
CMYK	cmyk(68%, 11.7%, 0%, 19.2%)
CIE-LAB	lab(68.80, -24.67, -21.62)
CIE-LCH	lch(68.80, 32.80, 221.23°)
OKLab	oklab(72.13% -0.0886 -0.0602)
OKLCH	oklch(72.13% 0.107 214.2)
XYZ	xyz(30.1106, 39.0670, 64.3343)
Luminance	0.3907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B6CE #CE5A42

analogous

#42CEA0 #42B6CE #4270CE

triadic

#42B6CE #CE42B6 #B6CE42

tetradic

#42B6CE #A042CE #CE5A42 #70CE42

square

#42B6CE #A042CE #CE5A42 #70CE42

split-complementary

#42B6CE #CE4270 #CEA042

monochromatic

#1F6877 #2B92A7 #42B6CE #73C9DB #A3DCE7

Accessibility & contrast

On white

2.38

#42B6CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#42B6CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B6CE

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B6CE	#FFFFFF	#000000	##000000
##42B6CE	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B0CF

Deuteranopia (green-blind)

#91A2CE

Tritanopia (blue-blind)

#00BFBD

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #42b6ce;
/* rgb */ color: rgb(66, 182, 206);
/* oklch */ color: oklch(72.1% 0.107 214.2);

Tailwind

colors: {
  custom: {
    50: '#88ccdd',
    500: '#42b6ce',
    950: '#000000',
  },
}

SCSS

$custom: #42b6ce;
$custom-light: #88ccdd;
$custom-dark: #000000;

JSON

{
  "hex": "#42b6ce",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 206
  },
  "hsl": {
    "h": 190.286,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.7213,
    "c": 0.10709,
    "h": 214.2
  },
  "luminance": 0.3907
}

Semantic roles & 50–950 ramp

primary

#42B6CE

secondary

#D4A298

accent

#6146E2

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42B6CE

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

Preview Lab → · Contrast checker → · Palette generator →