#42A2D4#42A2D4

#42A2D4 is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.7% C 0.116 H 235.0°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#42A2D4
RGB	rgb(66, 162, 212)
HSL	hsl(201, 63%, 55%)
HSV	hsv(201, 69%, 83%)
CMYK	cmyk(68.9%, 23.6%, 0%, 16.9%)
CIE-LAB	lab(63.14, -12.23, -33.65)
CIE-LCH	lch(63.14, 35.81, 250.03°)
OKLab	oklab(67.67% -0.0663 -0.0946)
OKLCH	oklch(67.67% 0.116 235)
XYZ	xyz(27.0461, 31.7494, 66.9774)
Luminance	0.3175 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2D4 #D47442

analogous

#42D4BD #42A2D4 #4259D4

triadic

#42A2D4 #D442A2 #A2D442

tetradic

#42A2D4 #BD42D4 #D47442 #59D442

square

#42A2D4 #BD42D4 #D47442 #59D442

split-complementary

#42A2D4 #D44259 #D4BD42

monochromatic

#1D5D7F #2882B1 #42A2D4 #74BBDF #A6D3EB

Accessibility & contrast

On white

2.86

#42A2D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#42A2D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2D4

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2D4	#FFFFFF	#000000	##000000
##42A2D4	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AA1D6

Deuteranopia (green-blind)

#7692D3

Tritanopia (blue-blind)

#00AFB3

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42a2d4;
/* rgb */ color: rgb(66, 162, 212);
/* oklch */ color: oklch(67.7% 0.116 235.0);

Tailwind

colors: {
  custom: {
    50: '#87bde1',
    500: '#42a2d4',
    950: '#000000',
  },
}

SCSS

$custom: #42a2d4;
$custom-light: #87bde1;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2d4",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 212
  },
  "hsl": {
    "h": 200.548,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.67674,
    "c": 0.11551,
    "h": 235
  },
  "luminance": 0.31752
}

Semantic roles & 50–950 ramp

primary

#42A2D4

secondary

#D8AF9A

accent

#7A42E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42A2D4

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

Preview Lab → · Contrast checker → · Palette generator →