#42A6C8#42A6C8

#42A6C8 is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.1% C 0.104 H 224.1°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#42A6C8
RGB	rgb(66, 166, 200)
HSL	hsl(195, 55%, 52%)
HSV	hsv(195, 67%, 78%)
CMYK	cmyk(67%, 17%, 0%, 21.6%)
CIE-LAB	lab(63.83, -18.28, -25.90)
CIE-LCH	lch(63.83, 31.70, 234.79°)
OKLab	oklab(68.07% -0.0746 -0.0723)
OKLCH	oklch(68.07% 0.104 224.1)
XYZ	xyz(26.3041, 32.5979, 59.5381)
Luminance	0.3260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A6C8 #C86442

analogous

#42C8A7 #42A6C8 #4263C8

triadic

#42A6C8 #C842A6 #A6C842

tetradic

#42A6C8 #A742C8 #C86442 #63C842

square

#42A6C8 #A742C8 #C86442 #63C842

split-complementary

#42A6C8 #C84263 #C8A742

monochromatic

#205B6F #2E829F #42A6C8 #71BCD6 #A1D3E4

Accessibility & contrast

On white

2.79

#42A6C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#42A6C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A6C8

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A6C8	#FFFFFF	#000000	##000000
##42A6C8	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A2CA

Deuteranopia (green-blind)

#8095C8

Tritanopia (blue-blind)

#00B0B1

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42a6c8;
/* rgb */ color: rgb(66, 166, 200);
/* oklch */ color: oklch(68.1% 0.104 224.1);

Tailwind

colors: {
  custom: {
    50: '#86c0d8',
    500: '#42a6c8',
    950: '#000000',
  },
}

SCSS

$custom: #42a6c8;
$custom-light: #86c0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#42a6c8",
  "rgb": {
    "r": 66,
    "g": 166,
    "b": 200
  },
  "hsl": {
    "h": 195.224,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.68073,
    "c": 0.10396,
    "h": 224.1
  },
  "luminance": 0.32601
}

Semantic roles & 50–950 ramp

primary

#42A6C8

secondary

#D0A496

accent

#6F4ADE

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42A6C8

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

Preview Lab → · Contrast checker → · Palette generator →