#42BAD8#42BAD8

#42BAD8 is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.5% C 0.112 H 217.9°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#42BAD8
RGB	rgb(66, 186, 216)
HSL	hsl(192, 66%, 55%)
HSV	hsv(192, 69%, 85%)
CMYK	cmyk(69.4%, 13.9%, 0%, 15.3%)
CIE-LAB	lab(70.34, -23.60, -24.75)
CIE-LCH	lch(70.34, 34.20, 226.36°)
OKLab	oklab(73.48% -0.0887 -0.069)
OKLCH	oklch(73.48% 0.112 217.9)
XYZ	xyz(32.1952, 41.2303, 71.2139)
Luminance	0.4123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BAD8 #D86042

analogous

#42D8AB #42BAD8 #426FD8

triadic

#42BAD8 #D842BA #BAD842

tetradic

#42BAD8 #AB42D8 #D86042 #6FD842

square

#42BAD8 #AB42D8 #D86042 #6FD842

split-complementary

#42BAD8 #D8426F #D8AB42

monochromatic

#1B6F84 #269AB7 #42BAD8 #75CDE2 #A7DFED

Accessibility & contrast

On white

2.27

#42BAD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#42BAD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BAD8

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BAD8	#FFFFFF	#000000	##000000
##42BAD8	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B5DA

Deuteranopia (green-blind)

#92A5D8

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42bad8;
/* rgb */ color: rgb(66, 186, 216);
/* oklch */ color: oklch(73.5% 0.112 217.9);

Tailwind

colors: {
  custom: {
    50: '#89cfe4',
    500: '#42bad8',
    950: '#000000',
  },
}

SCSS

$custom: #42bad8;
$custom-light: #89cfe4;
$custom-dark: #000000;

JSON

{
  "hex": "#42bad8",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 216
  },
  "hsl": {
    "h": 192,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.73484,
    "c": 0.11237,
    "h": 217.9
  },
  "luminance": 0.41234
}

Semantic roles & 50–950 ramp

primary

#42BAD8

secondary

#DAA89C

accent

#613FE9

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42BAD8

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

Preview Lab → · Contrast checker → · Palette generator →