#40A7BF#40A7BF

#40A7BF is a light, moderate cyan. Relative luminance 0.325; OKLCH L 67.9% C 0.099 H 216.1°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#40A7BF
RGB	rgb(64, 167, 191)
HSL	hsl(191, 50%, 50%)
HSV	hsv(191, 66%, 75%)
CMYK	cmyk(66.5%, 12.6%, 0%, 25.1%)
CIE-LAB	lab(63.74, -21.94, -21.03)
CIE-LCH	lch(63.74, 30.40, 223.79°)
OKLab	oklab(67.87% -0.0803 -0.0585)
OKLCH	oklch(67.87% 0.099 216.1)
XYZ	xyz(25.3331, 32.4862, 54.2155)
Luminance	0.3249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A7BF #BF5840

analogous

#40BF98 #40A7BF #4067BF

triadic

#40A7BF #BF40A7 #A7BF40

tetradic

#40A7BF #9840BF #BF5840 #67BF40

square

#40A7BF #9840BF #BF5840 #67BF40

split-complementary

#40A7BF #BF4067 #BF9840

monochromatic

#215763 #317F91 #40A7BF #6EBCCE #9CD1DE

Accessibility & contrast

On white

2.80

#40A7BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#40A7BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A7BF

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A7BF	#FFFFFF	#000000	##000000
##40A7BF	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A2C0

Deuteranopia (green-blind)

#8595BF

Tritanopia (blue-blind)

#00B0AE

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40a7bf;
/* rgb */ color: rgb(64, 167, 191);
/* oklch */ color: oklch(67.9% 0.099 216.1);

Tailwind

colors: {
  custom: {
    50: '#84c1d2',
    500: '#40a7bf',
    950: '#000000',
  },
}

SCSS

$custom: #40a7bf;
$custom-light: #84c1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#40a7bf",
  "rgb": {
    "r": 64,
    "g": 167,
    "b": 191
  },
  "hsl": {
    "h": 191.339,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.67873,
    "c": 0.09934,
    "h": 216.1
  },
  "luminance": 0.32489
}

Semantic roles & 50–950 ramp

primary

#40A7BF

secondary

#CA9C91

accent

#694ED9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A7BF

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

Preview Lab → · Contrast checker → · Palette generator →