#40A0BB#40A0BB

#40A0BB is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.0% C 0.097 H 219.7°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#40A0BB
RGB	rgb(64, 160, 187)
HSL	hsl(193, 49%, 49%)
HSV	hsv(193, 66%, 73%)
CMYK	cmyk(65.8%, 14.4%, 0%, 26.7%)
CIE-LAB	lab(61.50, -19.54, -22.23)
CIE-LCH	lch(61.50, 29.60, 228.68°)
OKLab	oklab(66.02% -0.0745 -0.0619)
OKLCH	oklch(66.02% 0.097 219.7)
XYZ	xyz(23.6511, 29.8169, 51.5129)
Luminance	0.2982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A0BB #BB5B40

analogous

#40BB99 #40A0BB #4063BB

triadic

#40A0BB #BB40A0 #A0BB40

tetradic

#40A0BB #9940BB #BB5B40 #63BB40

square

#40A0BB #9940BB #BB5B40 #63BB40

split-complementary

#40A0BB #BB4063 #BB9940

monochromatic

#215260 #30798D #40A0BB #6CB7CD #99CDDC

Accessibility & contrast

On white

3.02

#40A0BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#40A0BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A0BB

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A0BB	#FFFFFF	#000000	##000000
##40A0BB	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CBC

Deuteranopia (green-blind)

#7E8FBB

Tritanopia (blue-blind)

#00A9A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #40a0bb;
/* rgb */ color: rgb(64, 160, 187);
/* oklch */ color: oklch(66.0% 0.097 219.7);

Tailwind

colors: {
  custom: {
    50: '#83bccf',
    500: '#40a0bb',
    950: '#000000',
  },
}

SCSS

$custom: #40a0bb;
$custom-light: #83bccf;
$custom-dark: #000000;

JSON

{
  "hex": "#40a0bb",
  "rgb": {
    "r": 64,
    "g": 160,
    "b": 187
  },
  "hsl": {
    "h": 193.171,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.66022,
    "c": 0.09691,
    "h": 219.7
  },
  "luminance": 0.29819
}

Semantic roles & 50–950 ramp

primary

#40A0BB

secondary

#C89B8F

accent

#6D4FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #40A0BB

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

Preview Lab → · Contrast checker → · Palette generator →