#42A1D2#42A1D2

#42A1D2 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.3% C 0.114 H 234.7°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#42A1D2
RGB	rgb(66, 161, 210)
HSL	hsl(200, 62%, 54%)
HSV	hsv(200, 69%, 82%)
CMYK	cmyk(68.6%, 23.3%, 0%, 17.6%)
CIE-LAB	lab(62.76, -12.34, -33.13)
CIE-LCH	lch(62.76, 35.35, 249.57°)
OKLab	oklab(67.35% -0.066 -0.0931)
OKLCH	oklch(67.35% 0.114 234.7)
XYZ	xyz(26.6199, 31.2982, 65.5985)
Luminance	0.3130 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A1D2 #D27342

analogous

#42D2BB #42A1D2 #4259D2

triadic

#42A1D2 #D242A1 #A1D242

tetradic

#42A1D2 #BB42D2 #D27342 #59D242

square

#42A1D2 #BB42D2 #D27342 #59D242

split-complementary

#42A1D2 #D24259 #D2BB42

monochromatic

#1E5C7C #2981AD #42A1D2 #73BADE #A5D2EA

Accessibility & contrast

On white

2.89

#42A1D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#42A1D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A1D2

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A1D2	#FFFFFF	#000000	##000000
##42A1D2	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A0D4

Deuteranopia (green-blind)

#7692D1

Tritanopia (blue-blind)

#00AEB2

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #42a1d2;
/* rgb */ color: rgb(66, 161, 210);
/* oklch */ color: oklch(67.3% 0.114 234.7);

Tailwind

colors: {
  custom: {
    50: '#87bce0',
    500: '#42a1d2',
    950: '#000000',
  },
}

SCSS

$custom: #42a1d2;
$custom-light: #87bce0;
$custom-dark: #000000;

JSON

{
  "hex": "#42a1d2",
  "rgb": {
    "r": 66,
    "g": 161,
    "b": 210
  },
  "hsl": {
    "h": 200.417,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.67347,
    "c": 0.1141,
    "h": 234.7
  },
  "luminance": 0.31301
}

Semantic roles & 50–950 ramp

primary

#42A1D2

secondary

#D7AE99

accent

#7A43E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42A1D2

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

Preview Lab → · Contrast checker → · Palette generator →