#42AFCE#42AFCE

#42AFCE is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.5% C 0.107 H 220.3°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#42AFCE
RGB	rgb(66, 175, 206)
HSL	hsl(193, 59%, 53%)
HSV	hsv(193, 68%, 81%)
CMYK	cmyk(68%, 15%, 0%, 19.2%)
CIE-LAB	lab(66.73, -21.09, -24.79)
CIE-LCH	lch(66.73, 32.54, 229.61°)
OKLab	oklab(70.47% -0.0815 -0.0691)
OKLCH	oklch(70.47% 0.107 220.3)
XYZ	xyz(28.7127, 36.2712, 63.8684)
Luminance	0.3627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AFCE #CE6142

analogous

#42CEA7 #42AFCE #4269CE

triadic

#42AFCE #CE42AF #AFCE42

tetradic

#42AFCE #A742CE #CE6142 #69CE42

square

#42AFCE #A742CE #CE6142 #69CE42

split-complementary

#42AFCE #CE4269 #CEA742

monochromatic

#1F6377 #2B8CA7 #42AFCE #73C4DB #A3D8E7

Accessibility & contrast

On white

2.54

#42AFCE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#42AFCE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AFCE

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AFCE	#FFFFFF	#000000	##000000
##42AFCE	1.00	2.54	8.25	8.25
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAAD0

Deuteranopia (green-blind)

#899CCE

Tritanopia (blue-blind)

#00B9B9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42afce;
/* rgb */ color: rgb(66, 175, 206);
/* oklch */ color: oklch(70.5% 0.107 220.3);

Tailwind

colors: {
  custom: {
    50: '#87c7dd',
    500: '#42afce',
    950: '#000000',
  },
}

SCSS

$custom: #42afce;
$custom-light: #87c7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42afce",
  "rgb": {
    "r": 66,
    "g": 175,
    "b": 206
  },
  "hsl": {
    "h": 193.286,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.70465,
    "c": 0.10691,
    "h": 220.3
  },
  "luminance": 0.36274
}

Semantic roles & 50–950 ramp

primary

#42AFCE

secondary

#D4A598

accent

#6846E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42AFCE

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

Preview Lab → · Contrast checker → · Palette generator →