#40A6BF#40A6BF

#40A6BF is a light, moderate cyan. Relative luminance 0.321; OKLCH L 67.6% C 0.099 H 217.1°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#40A6BF
RGB	rgb(64, 166, 191)
HSL	hsl(192, 50%, 50%)
HSV	hsv(192, 66%, 75%)
CMYK	cmyk(66.5%, 13.1%, 0%, 25.1%)
CIE-LAB	lab(63.44, -21.43, -21.49)
CIE-LCH	lch(63.44, 30.35, 225.09°)
OKLab	oklab(67.63% -0.0792 -0.0598)
OKLCH	oklch(67.63% 0.099 217.1)
XYZ	xyz(25.1507, 32.1213, 54.1546)
Luminance	0.3212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A6BF #BF5940

analogous

#40BF98 #40A6BF #4067BF

triadic

#40A6BF #BF40A6 #A6BF40

tetradic

#40A6BF #9840BF #BF5940 #67BF40

square

#40A6BF #9840BF #BF5940 #67BF40

split-complementary

#40A6BF #BF4067 #BF9840

monochromatic

#215663 #317E91 #40A6BF #6EBBCE #9CD1DE

Accessibility & contrast

On white

2.83

#40A6BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#40A6BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A6BF

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A6BF	#FFFFFF	#000000	##000000
##40A6BF	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)

#95A1C0

Deuteranopia (green-blind)

#8394BF

Tritanopia (blue-blind)

#00AFAE

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40a6bf;
/* rgb */ color: rgb(64, 166, 191);
/* oklch */ color: oklch(67.6% 0.099 217.1);

Tailwind

colors: {
  custom: {
    50: '#84c0d2',
    500: '#40a6bf',
    950: '#000000',
  },
}

SCSS

$custom: #40a6bf;
$custom-light: #84c0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#40a6bf",
  "rgb": {
    "r": 64,
    "g": 166,
    "b": 191
  },
  "hsl": {
    "h": 191.811,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.67633,
    "c": 0.09927,
    "h": 217.1
  },
  "luminance": 0.32124
}

Semantic roles & 50–950 ramp

primary

#40A6BF

secondary

#CA9C91

accent

#6A4ED9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A6BF

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

Preview Lab → · Contrast checker → · Palette generator →