#42AFDD#42AFDD

#42AFDD is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.1% C 0.118 H 229.9°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#42AFDD
RGB	rgb(66, 175, 221)
HSL	hsl(198, 70%, 56%)
HSV	hsv(198, 70%, 87%)
CMYK	cmyk(70.1%, 20.8%, 0%, 13.3%)
CIE-LAB	lab(67.30, -16.30, -32.16)
CIE-LCH	lch(67.30, 36.05, 243.13°)
OKLab	oklab(71.12% -0.076 -0.0902)
OKLCH	oklch(71.12% 0.118 229.9)
XYZ	xyz(30.6226, 37.0352, 73.9272)
Luminance	0.3704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AFDD #DD7042

analogous

#42DDBD #42AFDD #4262DD

triadic

#42AFDD #DD42AF #AFDD42

tetradic

#42AFDD #BD42DD #DD7042 #62DD42

square

#42AFDD #BD42DD #DD7042 #62DD42

split-complementary

#42AFDD #DD4262 #DDBD42

monochromatic

#196A8C #2291BF #42AFDD #76C5E6 #AADBF0

Accessibility & contrast

On white

2.50

#42AFDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#42AFDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AFDD

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AFDD	#FFFFFF	#000000	##000000
##42AFDD	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97ACDF

Deuteranopia (green-blind)

#829DDC

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42afdd;
/* rgb */ color: rgb(66, 175, 221);
/* oklch */ color: oklch(71.1% 0.118 229.9);

Tailwind

colors: {
  custom: {
    50: '#89c7e7',
    500: '#42afdd',
    950: '#000000',
  },
}

SCSS

$custom: #42afdd;
$custom-light: #89c7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42afdd",
  "rgb": {
    "r": 66,
    "g": 175,
    "b": 221
  },
  "hsl": {
    "h": 197.806,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.71117,
    "c": 0.11795,
    "h": 229.9
  },
  "luminance": 0.37039
}

Semantic roles & 50–950 ramp

primary

#42AFDD

secondary

#DDB09D

accent

#703BEC

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #42AFDD

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

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