#42A6CE#42A6CE

#42A6CE is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.3% C 0.109 H 228.1°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#42A6CE
RGB	rgb(66, 166, 206)
HSL	hsl(197, 59%, 53%)
HSV	hsv(197, 68%, 81%)
CMYK	cmyk(68%, 19.4%, 0%, 19.2%)
CIE-LAB	lab(64.07, -16.35, -28.88)
CIE-LCH	lch(64.07, 33.19, 240.48°)
OKLab	oklab(68.34% -0.0724 -0.0808)
OKLCH	oklch(68.34% 0.109 228.1)
XYZ	xyz(27.0191, 32.8839, 63.3038)
Luminance	0.3289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A6CE #CE6A42

analogous

#42CEB0 #42A6CE #4260CE

triadic

#42A6CE #CE42A6 #A6CE42

tetradic

#42A6CE #B042CE #CE6A42 #60CE42

square

#42A6CE #B042CE #CE6A42 #60CE42

split-complementary

#42A6CE #CE4260 #CEB042

monochromatic

#1F5E77 #2B84A7 #42A6CE #73BDDB #A3D4E7

Accessibility & contrast

On white

2.77

#42A6CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#42A6CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A6CE

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A6CE	#FFFFFF	#000000	##000000
##42A6CE	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A3D0

Deuteranopia (green-blind)

#7E95CD

Tritanopia (blue-blind)

#00B1B3

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42a6ce;
/* rgb */ color: rgb(66, 166, 206);
/* oklch */ color: oklch(68.3% 0.109 228.1);

Tailwind

colors: {
  custom: {
    50: '#86c0dd',
    500: '#42a6ce',
    950: '#000000',
  },
}

SCSS

$custom: #42a6ce;
$custom-light: #86c0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42a6ce",
  "rgb": {
    "r": 66,
    "g": 166,
    "b": 206
  },
  "hsl": {
    "h": 197.143,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.68336,
    "c": 0.10854,
    "h": 228.1
  },
  "luminance": 0.32887
}

Semantic roles & 50–950 ramp

primary

#42A6CE

secondary

#D4A998

accent

#7246E2

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #42A6CE

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

Preview Lab → · Contrast checker → · Palette generator →