#42ADCB#42ADCB

#42ADCB is a light, moderate cyan. Relative luminance 0.354; OKLCH L 69.9% C 0.105 H 219.9°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#42ADCB
RGB	rgb(66, 173, 203)
HSL	hsl(193, 57%, 53%)
HSV	hsv(193, 67%, 80%)
CMYK	cmyk(67.5%, 14.8%, 0%, 20.4%)
CIE-LAB	lab(66.02, -20.99, -24.21)
CIE-LCH	lch(66.02, 32.04, 229.07°)
OKLab	oklab(69.86% -0.0807 -0.0675)
OKLCH	oklch(69.86% 0.105 219.9)
XYZ	xyz(27.9654, 35.3541, 61.8385)
Luminance	0.3536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ADCB #CB6042

analogous

#42CBA5 #42ADCB #4268CB

triadic

#42ADCB #CB42AD #ADCB42

tetradic

#42ADCB #A542CB #CB6042 #68CB42

square

#42ADCB #A542CB #CB6042 #68CB42

split-complementary

#42ADCB #CB4268 #CBA542

monochromatic

#206173 #2D89A3 #42ADCB #72C2D8 #A2D7E5

Accessibility & contrast

On white

2.60

#42ADCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#42ADCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ADCB

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ADCB	#FFFFFF	#000000	##000000
##42ADCB	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA8CD

Deuteranopia (green-blind)

#879ACB

Tritanopia (blue-blind)

#00B7B7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42adcb;
/* rgb */ color: rgb(66, 173, 203);
/* oklch */ color: oklch(69.9% 0.105 219.9);

Tailwind

colors: {
  custom: {
    50: '#86c5db',
    500: '#42adcb',
    950: '#000000',
  },
}

SCSS

$custom: #42adcb;
$custom-light: #86c5db;
$custom-dark: #000000;

JSON

{
  "hex": "#42adcb",
  "rgb": {
    "r": 66,
    "g": 173,
    "b": 203
  },
  "hsl": {
    "h": 193.139,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.69864,
    "c": 0.10518,
    "h": 219.9
  },
  "luminance": 0.35357
}

Semantic roles & 50–950 ramp

primary

#42ADCB

secondary

#D2A497

accent

#6948E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #42ADCB

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

Preview Lab → · Contrast checker → · Palette generator →