#40A5BE#40A5BE

#40A5BE is a light, moderate cyan. Relative luminance 0.317; OKLCH L 67.4% C 0.099 H 217.2°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#40A5BE
RGB	rgb(64, 165, 190)
HSL	hsl(192, 50%, 50%)
HSV	hsv(192, 66%, 75%)
CMYK	cmyk(66.3%, 13.2%, 0%, 25.5%)
CIE-LAB	lab(63.11, -21.22, -21.45)
CIE-LCH	lch(63.11, 30.17, 225.31°)
OKLab	oklab(67.35% -0.0786 -0.0597)
OKLCH	oklch(67.35% 0.099 217.2)
XYZ	xyz(24.8599, 31.7152, 53.5167)
Luminance	0.3172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A5BE #BE5940

analogous

#40BE98 #40A5BE #4066BE

triadic

#40A5BE #BE40A5 #A5BE40

tetradic

#40A5BE #9840BE #BE5940 #66BE40

square

#40A5BE #9840BE #BE5940 #66BE40

split-complementary

#40A5BE #BE4066 #BE9840

monochromatic

#215562 #317D90 #40A5BE #6DBBCE #9BD0DD

Accessibility & contrast

On white

2.86

#40A5BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#40A5BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5BE

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A5BE	#FFFFFF	#000000	##000000
##40A5BE	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A0BF

Deuteranopia (green-blind)

#8393BE

Tritanopia (blue-blind)

#00AEAD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a5be;
/* rgb */ color: rgb(64, 165, 190);
/* oklch */ color: oklch(67.4% 0.099 217.2);

Tailwind

colors: {
  custom: {
    50: '#84c0d1',
    500: '#40a5be',
    950: '#000000',
  },
}

SCSS

$custom: #40a5be;
$custom-light: #84c0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a5be",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 190
  },
  "hsl": {
    "h": 191.905,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.67351,
    "c": 0.09869,
    "h": 217.2
  },
  "luminance": 0.31718
}

Semantic roles & 50–950 ramp

primary

#40A5BE

secondary

#C99C90

accent

#6A4FD9

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A5BE

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

Preview Lab → · Contrast checker → · Palette generator →