#42A2CB#42A2CB

#42A2CB is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.3% C 0.107 H 229.7°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#42A2CB
RGB	rgb(66, 162, 203)
HSL	hsl(198, 57%, 53%)
HSV	hsv(198, 67%, 80%)
CMYK	cmyk(67.5%, 20.2%, 0%, 20.4%)
CIE-LAB	lab(62.77, -15.18, -29.22)
CIE-LCH	lch(62.77, 32.92, 242.55°)
OKLab	oklab(67.26% -0.0694 -0.0819)
OKLCH	oklch(67.26% 0.107 229.7)
XYZ	xyz(25.9423, 31.3079, 61.1642)
Luminance	0.3131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2CB #CB6B42

analogous

#42CBAF #42A2CB #425ECB

triadic

#42A2CB #CB42A2 #A2CB42

tetradic

#42A2CB #AF42CB #CB6B42 #5ECB42

square

#42A2CB #AF42CB #CB6B42 #5ECB42

split-complementary

#42A2CB #CB425E #CBAF42

monochromatic

#205A73 #2D80A3 #42A2CB #72BAD8 #A2D1E5

Accessibility & contrast

On white

2.89

#42A2CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#42A2CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2CB

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2CB	#FFFFFF	#000000	##000000
##42A2CB	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA0CD

Deuteranopia (green-blind)

#7A92CA

Tritanopia (blue-blind)

#00ADB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #42a2cb;
/* rgb */ color: rgb(66, 162, 203);
/* oklch */ color: oklch(67.3% 0.107 229.7);

Tailwind

colors: {
  custom: {
    50: '#86bddb',
    500: '#42a2cb',
    950: '#000000',
  },
}

SCSS

$custom: #42a2cb;
$custom-light: #86bddb;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2cb",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 203
  },
  "hsl": {
    "h": 197.956,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.67259,
    "c": 0.10734,
    "h": 229.7
  },
  "luminance": 0.31311
}

Semantic roles & 50–950 ramp

primary

#42A2CB

secondary

#D2A897

accent

#7548E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #42A2CB

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

Preview Lab → · Contrast checker → · Palette generator →