#42BCDC#42BCDC

#42BCDC is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.1% C 0.115 H 218.9°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#42BCDC
RGB	rgb(66, 188, 220)
HSL	hsl(192, 69%, 56%)
HSV	hsv(192, 70%, 86%)
CMYK	cmyk(70%, 14.5%, 0%, 13.7%)
CIE-LAB	lab(71.07, -23.37, -25.81)
CIE-LCH	lch(71.07, 34.82, 227.84°)
OKLab	oklab(74.12% -0.0891 -0.072)
OKLCH	oklch(74.12% 0.115 218.9)
XYZ	xyz(33.1429, 42.2882, 74.1120)
Luminance	0.4229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCDC #DC6242

analogous

#42DCAF #42BCDC #426FDC

triadic

#42BCDC #DC42BC #BCDC42

tetradic

#42BCDC #AF42DC #DC6242 #6FDC42

square

#42BCDC #AF42DC #DC6242 #6FDC42

split-complementary

#42BCDC #DC426F #DCAF42

monochromatic

#1A738A #239EBE #42BCDC #76CEE6 #A9E1EF

Accessibility & contrast

On white

2.22

#42BCDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#42BCDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCDC

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCDC	#FFFFFF	#000000	##000000
##42BCDC	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DE

Deuteranopia (green-blind)

#93A7DC

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42bcdc;
/* rgb */ color: rgb(66, 188, 220);
/* oklch */ color: oklch(74.1% 0.115 218.9);

Tailwind

colors: {
  custom: {
    50: '#8ad0e7',
    500: '#42bcdc',
    950: '#000000',
  },
}

SCSS

$custom: #42bcdc;
$custom-light: #8ad0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcdc",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 220
  },
  "hsl": {
    "h": 192.468,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.7412,
    "c": 0.11458,
    "h": 218.9
  },
  "luminance": 0.42292
}

Semantic roles & 50–950 ramp

primary

#42BCDC

secondary

#DDAA9D

accent

#613CEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BCDC

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

Preview Lab → · Contrast checker → · Palette generator →