#42A7D2#42A7D2

#42A7D2 is a light, moderate cyan. Relative luminance 0.334; OKLCH L 68.8% C 0.112 H 229.8°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#42A7D2
RGB	rgb(66, 167, 210)
HSL	hsl(198, 62%, 54%)
HSV	hsv(198, 69%, 82%)
CMYK	cmyk(68.6%, 20.5%, 0%, 17.6%)
CIE-LAB	lab(64.52, -15.60, -30.40)
CIE-LCH	lch(64.52, 34.16, 242.84°)
OKLab	oklab(68.75% -0.072 -0.0852)
OKLCH	oklch(68.75% 0.112 229.8)
XYZ	xyz(27.6937, 33.4458, 65.9564)
Luminance	0.3345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A7D2 #D26D42

analogous

#42D2B5 #42A7D2 #425FD2

triadic

#42A7D2 #D242A7 #A7D242

tetradic

#42A7D2 #B542D2 #D26D42 #5FD242

square

#42A7D2 #B542D2 #D26D42 #5FD242

split-complementary

#42A7D2 #D2425F #D2B542

monochromatic

#1E607C #2986AD #42A7D2 #73BEDE #A5D5EA

Accessibility & contrast

On white

2.73

#42A7D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#42A7D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A7D2

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A7D2	#FFFFFF	#000000	##000000
##42A7D2	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A5D4

Deuteranopia (green-blind)

#7D96D1

Tritanopia (blue-blind)

#00B3B5

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #42a7d2;
/* rgb */ color: rgb(66, 167, 210);
/* oklch */ color: oklch(68.8% 0.112 229.8);

Tailwind

colors: {
  custom: {
    50: '#87c1e0',
    500: '#42a7d2',
    950: '#000000',
  },
}

SCSS

$custom: #42a7d2;
$custom-light: #87c1e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42a7d2",
  "rgb": {
    "r": 66,
    "g": 167,
    "b": 210
  },
  "hsl": {
    "h": 197.917,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.68751,
    "c": 0.11154,
    "h": 229.8
  },
  "luminance": 0.33449
}

Semantic roles & 50–950 ramp

primary

#42A7D2

secondary

#D7AC99

accent

#7343E5

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42A7D2

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

Preview Lab → · Contrast checker → · Palette generator →