#42A9BE#42A9BE

#42A9BE is a light, moderate cyan. Relative luminance 0.333; OKLCH L 68.4% C 0.098 H 213.6°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#42A9BE
RGB	rgb(66, 169, 190)
HSL	hsl(190, 49%, 50%)
HSV	hsv(190, 65%, 75%)
CMYK	cmyk(65.3%, 11.1%, 0%, 25.5%)
CIE-LAB	lab(64.36, -22.96, -19.53)
CIE-LCH	lch(64.36, 30.14, 220.38°)
OKLab	oklab(68.38% -0.0817 -0.0543)
OKLCH	oklch(68.38% 0.098 213.6)
XYZ	xyz(25.7251, 33.2491, 53.7672)
Luminance	0.3325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A9BE #BE5742

analogous

#42BE95 #42A9BE #426BBE

triadic

#42A9BE #BE42A9 #A9BE42

tetradic

#42A9BE #9542BE #BE5742 #6BBE42

square

#42A9BE #9542BE #BE5742 #6BBE42

split-complementary

#42A9BE #BE426B #BE9542

monochromatic

#225863 #328191 #42A9BE #70BECE #9DD2DD

Accessibility & contrast

On white

2.74

#42A9BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#42A9BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A9BE

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A9BE	#FFFFFF	#000000	##000000
##42A9BE	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A4BF

Deuteranopia (green-blind)

#8796BE

Tritanopia (blue-blind)

#00B1AF

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #42a9be;
/* rgb */ color: rgb(66, 169, 190);
/* oklch */ color: oklch(68.4% 0.098 213.6);

Tailwind

colors: {
  custom: {
    50: '#85c2d1',
    500: '#42a9be',
    950: '#000000',
  },
}

SCSS

$custom: #42a9be;
$custom-light: #85c2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#42a9be",
  "rgb": {
    "r": 66,
    "g": 169,
    "b": 190
  },
  "hsl": {
    "h": 190.161,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.68375,
    "c": 0.09805,
    "h": 213.6
  },
  "luminance": 0.33252
}

Semantic roles & 50–950 ramp

primary

#42A9BE

secondary

#CA9C92

accent

#674FD8

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #42A9BE

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

Preview Lab → · Contrast checker → · Palette generator →