#40A6BE#40A6BE

#40A6BE is a light, moderate cyan. Relative luminance 0.321; OKLCH L 67.6% C 0.099 H 216.3°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#40A6BE
RGB	rgb(64, 166, 190)
HSL	hsl(191, 50%, 50%)
HSV	hsv(191, 66%, 75%)
CMYK	cmyk(66.3%, 12.6%, 0%, 25.5%)
CIE-LAB	lab(63.41, -21.74, -20.99)
CIE-LCH	lch(63.41, 30.21, 224.00°)
OKLab	oklab(67.59% -0.0796 -0.0584)
OKLCH	oklch(67.59% 0.099 216.3)
XYZ	xyz(25.0410, 32.0774, 53.5771)
Luminance	0.3208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A6BE #BE5840

analogous

#40BE97 #40A6BE #4067BE

triadic

#40A6BE #BE40A6 #A6BE40

tetradic

#40A6BE #9740BE #BE5840 #67BE40

square

#40A6BE #9740BE #BE5840 #67BE40

split-complementary

#40A6BE #BE4067 #BE9740

monochromatic

#215662 #317E90 #40A6BE #6DBCCE #9BD1DD

Accessibility & contrast

On white

2.83

#40A6BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#40A6BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A6BE

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A6BE	#FFFFFF	#000000	##000000
##40A6BE	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A1BF

Deuteranopia (green-blind)

#8494BE

Tritanopia (blue-blind)

#00AFAD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a6be;
/* rgb */ color: rgb(64, 166, 190);
/* oklch */ color: oklch(67.6% 0.099 216.3);

Tailwind

colors: {
  custom: {
    50: '#84c0d1',
    500: '#40a6be',
    950: '#000000',
  },
}

SCSS

$custom: #40a6be;
$custom-light: #84c0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a6be",
  "rgb": {
    "r": 64,
    "g": 166,
    "b": 190
  },
  "hsl": {
    "h": 191.429,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.67592,
    "c": 0.09875,
    "h": 216.3
  },
  "luminance": 0.3208
}

Semantic roles & 50–950 ramp

primary

#40A6BE

secondary

#C99B90

accent

#694FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A6BE

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

Preview Lab → · Contrast checker → · Palette generator →