#42ABCB#42ABCB

#42ABCB is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.4% C 0.105 H 221.7°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#42ABCB
RGB	rgb(66, 171, 203)
HSL	hsl(194, 57%, 53%)
HSV	hsv(194, 67%, 80%)
CMYK	cmyk(67.5%, 15.8%, 0%, 20.4%)
CIE-LAB	lab(65.43, -19.95, -25.12)
CIE-LCH	lch(65.43, 32.08, 231.53°)
OKLab	oklab(69.39% -0.0786 -0.0701)
OKLCH	oklch(69.39% 0.105 221.7)
XYZ	xyz(27.5848, 34.5928, 61.7116)
Luminance	0.3460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABCB #CB6242

analogous

#42CBA7 #42ABCB #4266CB

triadic

#42ABCB #CB42AB #ABCB42

tetradic

#42ABCB #A742CB #CB6242 #66CB42

square

#42ABCB #A742CB #CB6242 #66CB42

split-complementary

#42ABCB #CB4266 #CBA742

monochromatic

#206073 #2D87A3 #42ABCB #72C0D8 #A2D6E5

Accessibility & contrast

On white

2.65

#42ABCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#42ABCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABCB

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABCB	#FFFFFF	#000000	##000000
##42ABCB	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A7CD

Deuteranopia (green-blind)

#8599CB

Tritanopia (blue-blind)

#00B5B5

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42abcb;
/* rgb */ color: rgb(66, 171, 203);
/* oklch */ color: oklch(69.4% 0.105 221.7);

Tailwind

colors: {
  custom: {
    50: '#86c4db',
    500: '#42abcb',
    950: '#000000',
  },
}

SCSS

$custom: #42abcb;
$custom-light: #86c4db;
$custom-dark: #000000;

JSON

{
  "hex": "#42abcb",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 203
  },
  "hsl": {
    "h": 194.015,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.69389,
    "c": 0.10533,
    "h": 221.7
  },
  "luminance": 0.34596
}

Semantic roles & 50–950 ramp

primary

#42ABCB

secondary

#D2A597

accent

#6B48E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #42ABCB

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

Preview Lab → · Contrast checker → · Palette generator →