#42ACCF#42ACCF

#42ACCF is a light, moderate cyan. Relative luminance 0.352; OKLCH L 69.8% C 0.108 H 223.6°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#42ACCF
RGB	rgb(66, 172, 207)
HSL	hsl(195, 59%, 54%)
HSV	hsv(195, 68%, 81%)
CMYK	cmyk(68.1%, 16.9%, 0%, 18.8%)
CIE-LAB	lab(65.88, -19.21, -26.64)
CIE-LCH	lch(65.88, 32.85, 234.21°)
OKLab	oklab(69.8% -0.0781 -0.0744)
OKLCH	oklch(69.8% 0.108 223.6)
XYZ	xyz(28.2572, 35.1652, 64.3177)
Luminance	0.3517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ACCF #CF6542

analogous

#42CFAC #42ACCF #4265CF

triadic

#42ACCF #CF42AC #ACCF42

tetradic

#42ACCF #AC42CF #CF6542 #65CF42

square

#42ACCF #AC42CF #CF6542 #65CF42

split-complementary

#42ACCF #CF4265 #CFAC42

monochromatic

#1F6278 #2B8AA9 #42ACCF #73C1DB #A4D7E8

Accessibility & contrast

On white

2.61

#42ACCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#42ACCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ACCF

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ACCF	#FFFFFF	#000000	##000000
##42ACCF	1.00	2.61	8.03	8.03
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A8D1

Deuteranopia (green-blind)

#859ACF

Tritanopia (blue-blind)

#00B7B7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42accf;
/* rgb */ color: rgb(66, 172, 207);
/* oklch */ color: oklch(69.8% 0.108 223.6);

Tailwind

colors: {
  custom: {
    50: '#87c4dd',
    500: '#42accf',
    950: '#000000',
  },
}

SCSS

$custom: #42accf;
$custom-light: #87c4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42accf",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 207
  },
  "hsl": {
    "h": 194.894,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.69797,
    "c": 0.10791,
    "h": 223.6
  },
  "luminance": 0.35168
}

Semantic roles & 50–950 ramp

primary

#42ACCF

secondary

#D5A798

accent

#6C45E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42ACCF

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

Preview Lab → · Contrast checker → · Palette generator →