#42A7CA#42A7CA

#42A7CA is a light, moderate cyan. Relative luminance 0.331; OKLCH L 68.4% C 0.105 H 224.6°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#42A7CA
RGB	rgb(66, 167, 202)
HSL	hsl(195, 56%, 53%)
HSV	hsv(195, 67%, 79%)
CMYK	cmyk(67.3%, 17.3%, 0%, 20.8%)
CIE-LAB	lab(64.21, -18.17, -26.44)
CIE-LCH	lch(64.21, 32.08, 235.50°)
OKLab	oklab(68.4% -0.0749 -0.0739)
OKLCH	oklch(68.4% 0.105 224.6)
XYZ	xyz(26.7218, 33.0570, 60.8380)
Luminance	0.3306 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A7CA #CA6542

analogous

#42CAA9 #42A7CA #4263CA

triadic

#42A7CA #CA42A7 #A7CA42

tetradic

#42A7CA #A942CA #CA6542 #63CA42

square

#42A7CA #A942CA #CA6542 #63CA42

split-complementary

#42A7CA #CA4263 #CAA942

monochromatic

#205D72 #2D84A2 #42A7CA #72BDD7 #A2D4E5

Accessibility & contrast

On white

2.76

#42A7CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#42A7CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A7CA

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A7CA	#FFFFFF	#000000	##000000
##42A7CA	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A3CC

Deuteranopia (green-blind)

#8196CA

Tritanopia (blue-blind)

#00B2B2

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #42a7ca;
/* rgb */ color: rgb(66, 167, 202);
/* oklch */ color: oklch(68.4% 0.105 224.6);

Tailwind

colors: {
  custom: {
    50: '#86c1da',
    500: '#42a7ca',
    950: '#000000',
  },
}

SCSS

$custom: #42a7ca;
$custom-light: #86c1da;
$custom-dark: #000000;

JSON

{
  "hex": "#42a7ca",
  "rgb": {
    "r": 66,
    "g": 167,
    "b": 202
  },
  "hsl": {
    "h": 195.441,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.68397,
    "c": 0.10522,
    "h": 224.6
  },
  "luminance": 0.3306
}

Semantic roles & 50–950 ramp

primary

#42A7CA

secondary

#D1A696

accent

#6F48DF

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42A7CA

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

Preview Lab → · Contrast checker → · Palette generator →