#42A7CD#42A7CD

#42A7CD is a light, moderate cyan. Relative luminance 0.332; OKLCH L 68.5% C 0.107 H 226.6°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#42A7CD
RGB	rgb(66, 167, 205)
HSL	hsl(196, 58%, 53%)
HSV	hsv(196, 68%, 80%)
CMYK	cmyk(67.8%, 18.5%, 0%, 19.6%)
CIE-LAB	lab(64.32, -17.21, -27.93)
CIE-LCH	lch(64.32, 32.80, 238.36°)
OKLab	oklab(68.53% -0.0738 -0.0781)
OKLCH	oklch(68.53% 0.107 226.6)
XYZ	xyz(27.0805, 33.2005, 62.7269)
Luminance	0.3320 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A7CD #CD6842

analogous

#42CDAD #42A7CD #4261CD

triadic

#42A7CD #CD42A7 #A7CD42

tetradic

#42A7CD #AD42CD #CD6842 #61CD42

square

#42A7CD #AD42CD #CD6842 #61CD42

split-complementary

#42A7CD #CD4261 #CDAD42

monochromatic

#1F5E76 #2C85A6 #42A7CD #72BEDA #A3D4E7

Accessibility & contrast

On white

2.75

#42A7CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#42A7CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A7CD

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A7CD	#FFFFFF	#000000	##000000
##42A7CD	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A4CF

Deuteranopia (green-blind)

#7F96CD

Tritanopia (blue-blind)

#00B2B3

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #42a7cd;
/* rgb */ color: rgb(66, 167, 205);
/* oklch */ color: oklch(68.5% 0.107 226.6);

Tailwind

colors: {
  custom: {
    50: '#86c1dc',
    500: '#42a7cd',
    950: '#000000',
  },
}

SCSS

$custom: #42a7cd;
$custom-light: #86c1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#42a7cd",
  "rgb": {
    "r": 66,
    "g": 167,
    "b": 205
  },
  "hsl": {
    "h": 196.403,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.68528,
    "c": 0.10747,
    "h": 226.6
  },
  "luminance": 0.33203
}

Semantic roles & 50–950 ramp

primary

#42A7CD

secondary

#D3A897

accent

#7146E1

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #42A7CD

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

Preview Lab → · Contrast checker → · Palette generator →