#42A2C9#42A2C9

#42A2C9 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.2% C 0.106 H 228.4°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#42A2C9
RGB	rgb(66, 162, 201)
HSL	hsl(197, 56%, 52%)
HSV	hsv(197, 67%, 79%)
CMYK	cmyk(67.2%, 19.4%, 0%, 21.2%)
CIE-LAB	lab(62.69, -15.82, -28.23)
CIE-LCH	lch(62.69, 32.36, 240.72°)
OKLab	oklab(67.17% -0.0702 -0.079)
OKLCH	oklch(67.17% 0.106 228.4)
XYZ	xyz(25.7055, 31.2132, 59.9170)
Luminance	0.3122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2C9 #C96942

analogous

#42C9AC #42A2C9 #425FC9

triadic

#42A2C9 #C942A2 #A2C942

tetradic

#42A2C9 #AC42C9 #C96942 #5FC942

square

#42A2C9 #AC42C9 #C96942 #5FC942

split-complementary

#42A2C9 #C9425F #C9AC42

monochromatic

#205970 #2E7FA0 #42A2C9 #72B9D7 #A1D1E4

Accessibility & contrast

On white

2.90

#42A2C9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#42A2C9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2C9

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2C9	#FFFFFF	#000000	##000000
##42A2C9	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9FCB

Deuteranopia (green-blind)

#7B92C8

Tritanopia (blue-blind)

#00ADAF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #42a2c9;
/* rgb */ color: rgb(66, 162, 201);
/* oklch */ color: oklch(67.2% 0.106 228.4);

Tailwind

colors: {
  custom: {
    50: '#85bdd9',
    500: '#42a2c9',
    950: '#000000',
  },
}

SCSS

$custom: #42a2c9;
$custom-light: #85bdd9;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2c9",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 201
  },
  "hsl": {
    "h": 197.333,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.67169,
    "c": 0.10567,
    "h": 228.4
  },
  "luminance": 0.31216
}

Semantic roles & 50–950 ramp

primary

#42A2C9

secondary

#D1A796

accent

#7449DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42A2C9

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

Preview Lab → · Contrast checker → · Palette generator →