#40A0BE#40A0BE

#40A0BE is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.1% C 0.099 H 222.1°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#40A0BE
RGB	rgb(64, 160, 190)
HSL	hsl(194, 50%, 50%)
HSV	hsv(194, 66%, 75%)
CMYK	cmyk(66.3%, 15.8%, 0%, 25.5%)
CIE-LAB	lab(61.61, -18.60, -23.74)
CIE-LCH	lch(61.61, 30.15, 231.93°)
OKLab	oklab(66.15% -0.0734 -0.0662)
OKLCH	oklch(66.15% 0.099 222.1)
XYZ	xyz(23.9757, 29.9467, 53.2219)
Luminance	0.2995 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A0BE #BE5E40

analogous

#40BE9D #40A0BE #4061BE

triadic

#40A0BE #BE40A0 #A0BE40

tetradic

#40A0BE #9D40BE #BE5E40 #61BE40

square

#40A0BE #9D40BE #BE5E40 #61BE40

split-complementary

#40A0BE #BE4061 #BE9D40

monochromatic

#215362 #317990 #40A0BE #6DB7CE #9BCEDD

Accessibility & contrast

On white

3.00

#40A0BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#40A0BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A0BE

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A0BE	#FFFFFF	#000000	##000000
##40A0BE	1.00	3.00	6.99	6.99
#FFFFFF	3.00	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9CC0

Deuteranopia (green-blind)

#7D8FBE

Tritanopia (blue-blind)

#00A9AA

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #40a0be;
/* rgb */ color: rgb(64, 160, 190);
/* oklch */ color: oklch(66.1% 0.099 222.1);

Tailwind

colors: {
  custom: {
    50: '#83bcd1',
    500: '#40a0be',
    950: '#000000',
  },
}

SCSS

$custom: #40a0be;
$custom-light: #83bcd1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a0be",
  "rgb": {
    "r": 64,
    "g": 160,
    "b": 190
  },
  "hsl": {
    "h": 194.286,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.66149,
    "c": 0.09884,
    "h": 222.1
  },
  "luminance": 0.29949
}

Semantic roles & 50–950 ramp

primary

#40A0BE

secondary

#C99E90

accent

#704FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #40A0BE

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

Preview Lab → · Contrast checker → · Palette generator →