#42AFCD#42AFCD

#42AFCD is a light, moderate cyan. Relative luminance 0.362; OKLCH L 70.4% C 0.106 H 219.6°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#42AFCD
RGB	rgb(66, 175, 205)
HSL	hsl(193, 58%, 53%)
HSV	hsv(193, 68%, 80%)
CMYK	cmyk(67.8%, 14.6%, 0%, 19.6%)
CIE-LAB	lab(66.69, -21.40, -24.29)
CIE-LCH	lch(66.69, 32.37, 228.62°)
OKLab	oklab(70.42% -0.0819 -0.0677)
OKLCH	oklch(70.42% 0.106 219.6)
XYZ	xyz(28.5917, 36.2228, 63.2306)
Luminance	0.3623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AFCD #CD6042

analogous

#42CDA6 #42AFCD #4269CD

triadic

#42AFCD #CD42AF #AFCD42

tetradic

#42AFCD #A642CD #CD6042 #69CD42

square

#42AFCD #A642CD #CD6042 #69CD42

split-complementary

#42AFCD #CD4269 #CDA642

monochromatic

#1F6376 #2C8CA6 #42AFCD #72C3DA #A3D8E7

Accessibility & contrast

On white

2.55

#42AFCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#42AFCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AFCD

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AFCD	#FFFFFF	#000000	##000000
##42AFCD	1.00	2.55	8.25	8.25
#FFFFFF	2.55	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)

#9CAACF

Deuteranopia (green-blind)

#899CCD

Tritanopia (blue-blind)

#00B9B8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42afcd;
/* rgb */ color: rgb(66, 175, 205);
/* oklch */ color: oklch(70.4% 0.106 219.6);

Tailwind

colors: {
  custom: {
    50: '#87c7dc',
    500: '#42afcd',
    950: '#000000',
  },
}

SCSS

$custom: #42afcd;
$custom-light: #87c7dc;
$custom-dark: #000000;

JSON

{
  "hex": "#42afcd",
  "rgb": {
    "r": 66,
    "g": 175,
    "b": 205
  },
  "hsl": {
    "h": 192.95,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.70423,
    "c": 0.10629,
    "h": 219.6
  },
  "luminance": 0.36226
}

Semantic roles & 50–950 ramp

primary

#42AFCD

secondary

#D3A497

accent

#6846E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42AFCD

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

Preview Lab → · Contrast checker → · Palette generator →