#42ABC8#42ABC8

#42ABC8 is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.3% C 0.103 H 219.5°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#42ABC8
RGB	rgb(66, 171, 200)
HSL	hsl(193, 55%, 52%)
HSV	hsv(193, 67%, 78%)
CMYK	cmyk(67%, 14.5%, 0%, 21.6%)
CIE-LAB	lab(65.32, -20.90, -23.62)
CIE-LCH	lch(65.32, 31.54, 228.51°)
OKLab	oklab(69.26% -0.0798 -0.0659)
OKLCH	oklch(69.26% 0.103 219.5)
XYZ	xyz(27.2307, 34.4512, 59.8470)
Luminance	0.3445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABC8 #C85F42

analogous

#42C8A2 #42ABC8 #4268C8

triadic

#42ABC8 #C842AB #ABC842

tetradic

#42ABC8 #A242C8 #C85F42 #68C842

square

#42ABC8 #A242C8 #C85F42 #68C842

split-complementary

#42ABC8 #C84268 #C8A242

monochromatic

#205E6F #2E869F #42ABC8 #71C0D6 #A1D5E4

Accessibility & contrast

On white

2.66

#42ABC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#42ABC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABC8

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABC8	#FFFFFF	#000000	##000000
##42ABC8	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A6CA

Deuteranopia (green-blind)

#8699C8

Tritanopia (blue-blind)

#00B5B4

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42abc8;
/* rgb */ color: rgb(66, 171, 200);
/* oklch */ color: oklch(69.3% 0.103 219.5);

Tailwind

colors: {
  custom: {
    50: '#86c4d8',
    500: '#42abc8',
    950: '#000000',
  },
}

SCSS

$custom: #42abc8;
$custom-light: #86c4d8;
$custom-dark: #000000;

JSON

{
  "hex": "#42abc8",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 200
  },
  "hsl": {
    "h": 192.985,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.69263,
    "c": 0.10344,
    "h": 219.5
  },
  "luminance": 0.34454
}

Semantic roles & 50–950 ramp

primary

#42ABC8

secondary

#D0A296

accent

#6A4ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42ABC8

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

Preview Lab → · Contrast checker → · Palette generator →