#42A4D6#42A4D6

#42A4D6 is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.2% C 0.116 H 234.5°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#42A4D6
RGB	rgb(66, 164, 214)
HSL	hsl(200, 64%, 55%)
HSV	hsv(200, 69%, 84%)
CMYK	cmyk(69.2%, 23.4%, 0%, 16.1%)
CIE-LAB	lab(63.80, -12.66, -33.72)
CIE-LCH	lch(63.80, 36.02, 249.42°)
OKLab	oklab(68.23% -0.0676 -0.0948)
OKLCH	oklch(68.23% 0.116 234.5)
XYZ	xyz(27.6550, 32.5612, 68.4327)
Luminance	0.3256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A4D6 #D67442

analogous

#42D6BE #42A4D6 #425AD6

triadic

#42A4D6 #D642A4 #A4D642

tetradic

#42A4D6 #BE42D6 #D67442 #5AD642

square

#42A4D6 #BE42D6 #D67442 #5AD642

split-complementary

#42A4D6 #D6425A #D6BE42

monochromatic

#1C5F82 #2784B4 #42A4D6 #74BCE1 #A7D4EC

Accessibility & contrast

On white

2.80

#42A4D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#42A4D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A4D6

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A4D6	#FFFFFF	#000000	##000000
##42A4D6	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA3D8

Deuteranopia (green-blind)

#7894D5

Tritanopia (blue-blind)

#00B1B5

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42a4d6;
/* rgb */ color: rgb(66, 164, 214);
/* oklch */ color: oklch(68.2% 0.116 234.5);

Tailwind

colors: {
  custom: {
    50: '#87bfe2',
    500: '#42a4d6',
    950: '#000000',
  },
}

SCSS

$custom: #42a4d6;
$custom-light: #87bfe2;
$custom-dark: #000000;

JSON

{
  "hex": "#42a4d6",
  "rgb": {
    "r": 66,
    "g": 164,
    "b": 214
  },
  "hsl": {
    "h": 200.27,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.68234,
    "c": 0.11642,
    "h": 234.5
  },
  "luminance": 0.32564
}

Semantic roles & 50–950 ramp

primary

#42A4D6

secondary

#D9B09B

accent

#7940E7

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #42A4D6

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

Preview Lab → · Contrast checker → · Palette generator →