#42A7D7#42A7D7

#42A7D7 is a light, moderate cyan. Relative luminance 0.337; OKLCH L 69.0% C 0.116 H 232.7°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#42A7D7
RGB	rgb(66, 167, 215)
HSL	hsl(199, 65%, 55%)
HSV	hsv(199, 69%, 84%)
CMYK	cmyk(69.3%, 22.3%, 0%, 15.7%)
CIE-LAB	lab(64.72, -13.96, -32.85)
CIE-LCH	lch(64.72, 35.69, 246.97°)
OKLab	oklab(68.98% -0.0702 -0.0922)
OKLCH	oklch(68.98% 0.116 232.7)
XYZ	xyz(28.3264, 33.6988, 69.2885)
Luminance	0.3370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A7D7 #D77242

analogous

#42D7BD #42A7D7 #425CD7

triadic

#42A7D7 #D742A7 #A7D742

tetradic

#42A7D7 #BD42D7 #D77242 #5CD742

square

#42A7D7 #BD42D7 #D77242 #5CD742

split-complementary

#42A7D7 #D7425C #D7BD42

monochromatic

#1C6283 #2687B5 #42A7D7 #75BFE2 #A7D6EC

Accessibility & contrast

On white

2.71

#42A7D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#42A7D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A7D7

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A7D7	#FFFFFF	#000000	##000000
##42A7D7	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA5D9

Deuteranopia (green-blind)

#7B97D6

Tritanopia (blue-blind)

#00B4B7

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #42a7d7;
/* rgb */ color: rgb(66, 167, 215);
/* oklch */ color: oklch(69.0% 0.116 232.7);

Tailwind

colors: {
  custom: {
    50: '#88c1e3',
    500: '#42a7d7',
    950: '#000000',
  },
}

SCSS

$custom: #42a7d7;
$custom-light: #88c1e3;
$custom-dark: #000000;

JSON

{
  "hex": "#42a7d7",
  "rgb": {
    "r": 66,
    "g": 167,
    "b": 215
  },
  "hsl": {
    "h": 199.329,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.68979,
    "c": 0.11593,
    "h": 232.7
  },
  "luminance": 0.33702
}

Semantic roles & 50–950 ramp

primary

#42A7D7

secondary

#DAAF9B

accent

#7640E8

background

#F9FBFD

surface

#F1F7FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #42A7D7

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

Preview Lab → · Contrast checker → · Palette generator →