#42ABCD#42ABCD

#42ABCD is a light, moderate cyan. Relative luminance 0.347; OKLCH L 69.5% C 0.107 H 223.1°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#42ABCD
RGB	rgb(66, 171, 205)
HSL	hsl(195, 58%, 53%)
HSV	hsv(195, 68%, 80%)
CMYK	cmyk(67.8%, 16.6%, 0%, 19.6%)
CIE-LAB	lab(65.51, -19.32, -26.11)
CIE-LCH	lch(65.51, 32.48, 233.50°)
OKLab	oklab(69.47% -0.0779 -0.0729)
OKLCH	oklch(69.47% 0.107 223.1)
XYZ	xyz(27.8246, 34.6888, 62.9750)
Luminance	0.3469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABCD #CD6442

analogous

#42CDA9 #42ABCD #4265CD

triadic

#42ABCD #CD42AB #ABCD42

tetradic

#42ABCD #A942CD #CD6442 #65CD42

square

#42ABCD #A942CD #CD6442 #65CD42

split-complementary

#42ABCD #CD4265 #CDA942

monochromatic

#1F6076 #2C88A6 #42ABCD #72C1DA #A3D6E7

Accessibility & contrast

On white

2.65

#42ABCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#42ABCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABCD

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABCD	#FFFFFF	#000000	##000000
##42ABCD	1.00	2.65	7.94	7.94
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A7CF

Deuteranopia (green-blind)

#8499CD

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42abcd;
/* rgb */ color: rgb(66, 171, 205);
/* oklch */ color: oklch(69.5% 0.107 223.1);

Tailwind

colors: {
  custom: {
    50: '#87c4dc',
    500: '#42abcd',
    950: '#000000',
  },
}

SCSS

$custom: #42abcd;
$custom-light: #87c4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#42abcd",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 205
  },
  "hsl": {
    "h": 194.676,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.69474,
    "c": 0.10667,
    "h": 223.1
  },
  "luminance": 0.34692
}

Semantic roles & 50–950 ramp

primary

#42ABCD

secondary

#D3A697

accent

#6C46E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42ABCD

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

Preview Lab → · Contrast checker → · Palette generator →