#42A6D2#42A6D2

#42A6D2 is a light, moderate cyan. Relative luminance 0.331; OKLCH L 68.5% C 0.112 H 230.6°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#42A6D2
RGB	rgb(66, 166, 210)
HSL	hsl(198, 62%, 54%)
HSV	hsv(198, 69%, 82%)
CMYK	cmyk(68.6%, 21%, 0%, 17.6%)
CIE-LAB	lab(64.23, -15.06, -30.85)
CIE-LCH	lch(64.23, 34.33, 243.98°)
OKLab	oklab(68.52% -0.071 -0.0865)
OKLCH	oklch(68.52% 0.112 230.6)
XYZ	xyz(27.5112, 33.0808, 65.8956)
Luminance	0.3308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A6D2 #D26E42

analogous

#42D2B6 #42A6D2 #425ED2

triadic

#42A6D2 #D242A6 #A6D242

tetradic

#42A6D2 #B642D2 #D26E42 #5ED242

square

#42A6D2 #B642D2 #D26E42 #5ED242

split-complementary

#42A6D2 #D2425E #D2B642

monochromatic

#1E5F7C #2985AD #42A6D2 #73BDDE #A5D5EA

Accessibility & contrast

On white

2.76

#42A6D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#42A6D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A6D2

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A6D2	#FFFFFF	#000000	##000000
##42A6D2	1.00	2.76	7.62	7.62
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A4D4

Deuteranopia (green-blind)

#7C95D1

Tritanopia (blue-blind)

#00B2B5

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #42a6d2;
/* rgb */ color: rgb(66, 166, 210);
/* oklch */ color: oklch(68.5% 0.112 230.6);

Tailwind

colors: {
  custom: {
    50: '#87c0e0',
    500: '#42a6d2',
    950: '#000000',
  },
}

SCSS

$custom: #42a6d2;
$custom-light: #87c0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42a6d2",
  "rgb": {
    "r": 66,
    "g": 166,
    "b": 210
  },
  "hsl": {
    "h": 198.333,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.68516,
    "c": 0.1119,
    "h": 230.6
  },
  "luminance": 0.33084
}

Semantic roles & 50–950 ramp

primary

#42A6D2

secondary

#D7AC99

accent

#7543E5

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42A6D2

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

Preview Lab → · Contrast checker → · Palette generator →