#42AAD9#42AAD9

#42AAD9 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.8% C 0.116 H 231.5°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#42AAD9
RGB	rgb(66, 170, 217)
HSL	hsl(199, 67%, 55%)
HSV	hsv(199, 70%, 85%)
CMYK	cmyk(69.6%, 21.7%, 0%, 14.9%)
CIE-LAB	lab(65.68, -14.93, -32.47)
CIE-LCH	lch(65.68, 35.73, 245.31°)
OKLab	oklab(69.77% -0.0725 -0.0911)
OKLCH	oklch(69.77% 0.116 231.5)
XYZ	xyz(29.1409, 34.9142, 70.8355)
Luminance	0.3492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AAD9 #D97142

analogous

#42D9BC #42AAD9 #425FD9

triadic

#42AAD9 #D942AA #AAD942

tetradic

#42AAD9 #BC42D9 #D97142 #5FD942

square

#42AAD9 #BC42D9 #D97142 #5FD942

split-complementary

#42AAD9 #D9425F #D9BC42

monochromatic

#1B6486 #258BB9 #42AAD9 #75C1E3 #A8D8ED

Accessibility & contrast

On white

2.63

#42AAD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#42AAD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AAD9

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AAD9	#FFFFFF	#000000	##000000
##42AAD9	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A8DB

Deuteranopia (green-blind)

#7E99D8

Tritanopia (blue-blind)

#00B7BA

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42aad9;
/* rgb */ color: rgb(66, 170, 217);
/* oklch */ color: oklch(69.8% 0.116 231.5);

Tailwind

colors: {
  custom: {
    50: '#88c3e5',
    500: '#42aad9',
    950: '#000000',
  },
}

SCSS

$custom: #42aad9;
$custom-light: #88c3e5;
$custom-dark: #000000;

JSON

{
  "hex": "#42aad9",
  "rgb": {
    "r": 66,
    "g": 170,
    "b": 217
  },
  "hsl": {
    "h": 198.675,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.6977,
    "c": 0.11645,
    "h": 231.5
  },
  "luminance": 0.34917
}

Semantic roles & 50–950 ramp

primary

#42AAD9

secondary

#DBB09C

accent

#743EE9

background

#F9FBFE

surface

#F1F7FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #42AAD9

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

Preview Lab → · Contrast checker → · Palette generator →