#42ABCF#42ABCF

#42ABCF is a light, moderate cyan. Relative luminance 0.348; OKLCH L 69.6% C 0.108 H 224.5°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#42ABCF
RGB	rgb(66, 171, 207)
HSL	hsl(195, 59%, 54%)
HSV	hsv(195, 68%, 81%)
CMYK	cmyk(68.1%, 17.4%, 0%, 18.8%)
CIE-LAB	lab(65.58, -18.69, -27.10)
CIE-LCH	lch(65.58, 32.92, 235.41°)
OKLab	oklab(69.56% -0.0771 -0.0757)
OKLCH	oklch(69.56% 0.108 224.5)
XYZ	xyz(28.0676, 34.7860, 64.2545)
Luminance	0.3479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABCF #CF6642

analogous

#42CFAC #42ABCF #4264CF

triadic

#42ABCF #CF42AB #ABCF42

tetradic

#42ABCF #AC42CF #CF6642 #64CF42

square

#42ABCF #AC42CF #CF6642 #64CF42

split-complementary

#42ABCF #CF4264 #CFAC42

monochromatic

#1F6178 #2B89A9 #42ABCF #73C1DB #A4D6E8

Accessibility & contrast

On white

2.64

#42ABCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#42ABCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABCF

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABCF	#FFFFFF	#000000	##000000
##42ABCF	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A7D1

Deuteranopia (green-blind)

#8399CF

Tritanopia (blue-blind)

#00B6B7

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42abcf;
/* rgb */ color: rgb(66, 171, 207);
/* oklch */ color: oklch(69.6% 0.108 224.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42abcf",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 207
  },
  "hsl": {
    "h": 195.319,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6956,
    "c": 0.10809,
    "h": 224.5
  },
  "luminance": 0.34789
}

Semantic roles & 50–950 ramp

primary

#42ABCF

secondary

#D5A898

accent

#6D45E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42ABCF

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

Preview Lab → · Contrast checker → · Palette generator →