#42A2CF#42A2CF

#42A2CF is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.4% C 0.111 H 232.1°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#42A2CF
RGB	rgb(66, 162, 207)
HSL	hsl(199, 59%, 54%)
HSV	hsv(199, 68%, 81%)
CMYK	cmyk(68.1%, 21.7%, 0%, 18.8%)
CIE-LAB	lab(62.93, -13.87, -31.19)
CIE-LCH	lch(62.93, 34.14, 246.02°)
OKLab	oklab(67.44% -0.068 -0.0875)
OKLCH	oklch(67.44% 0.111 232.1)
XYZ	xyz(26.4251, 31.5010, 63.7070)
Luminance	0.3150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2CF #CF6F42

analogous

#42CFB5 #42A2CF #425BCF

triadic

#42A2CF #CF42A2 #A2CF42

tetradic

#42A2CF #B542CF #CF6F42 #5BCF42

square

#42A2CF #B542CF #CF6F42 #5BCF42

split-complementary

#42A2CF #CF425B #CFB542

monochromatic

#1F5C78 #2B81A9 #42A2CF #73BADB #A4D2E8

Accessibility & contrast

On white

2.88

#42A2CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#42A2CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2CF

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2CF	#FFFFFF	#000000	##000000
##42A2CF	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA0D1

Deuteranopia (green-blind)

#7892CE

Tritanopia (blue-blind)

#00AEB1

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #42a2cf;
/* rgb */ color: rgb(66, 162, 207);
/* oklch */ color: oklch(67.4% 0.111 232.1);

Tailwind

colors: {
  custom: {
    50: '#86bddd',
    500: '#42a2cf',
    950: '#000000',
  },
}

SCSS

$custom: #42a2cf;
$custom-light: #86bddd;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2cf",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 207
  },
  "hsl": {
    "h": 199.149,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.67441,
    "c": 0.11084,
    "h": 232.1
  },
  "luminance": 0.31504
}

Semantic roles & 50–950 ramp

primary

#42A2CF

secondary

#D5AB98

accent

#7745E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #42A2CF

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

Preview Lab → · Contrast checker → · Palette generator →