#40ABC6#40ABC6

#40ABC6 is a light, moderate cyan. Relative luminance 0.343; OKLCH L 69.1% C 0.103 H 217.8°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#40ABC6
RGB	rgb(64, 171, 198)
HSL	hsl(192, 54%, 51%)
HSV	hsv(192, 68%, 78%)
CMYK	cmyk(67.7%, 13.6%, 0%, 22.4%)
CIE-LAB	lab(65.19, -21.83, -22.71)
CIE-LCH	lch(65.19, 31.50, 226.14°)
OKLab	oklab(69.12% -0.0816 -0.0633)
OKLCH	oklch(69.12% 0.103 217.8)
XYZ	xyz(26.8661, 34.2900, 58.6179)
Luminance	0.3429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ABC6 #C65B40

analogous

#40C69E #40ABC6 #4068C6

triadic

#40ABC6 #C640AB #ABC640

tetradic

#40ABC6 #9E40C6 #C65B40 #68C640

square

#40ABC6 #9E40C6 #C65B40 #68C640

split-complementary

#40ABC6 #C64068 #C69E40

monochromatic

#205C6C #2E859B #40ABC6 #6FC0D4 #9ED4E2

Accessibility & contrast

On white

2.67

#40ABC6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#40ABC6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABC6

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ABC6	#FFFFFF	#000000	##000000
##40ABC6	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A6C7

Deuteranopia (green-blind)

#8798C6

Tritanopia (blue-blind)

#00B4B3

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40abc6;
/* rgb */ color: rgb(64, 171, 198);
/* oklch */ color: oklch(69.1% 0.103 217.8);

Tailwind

colors: {
  custom: {
    50: '#85c4d7',
    500: '#40abc6',
    950: '#000000',
  },
}

SCSS

$custom: #40abc6;
$custom-light: #85c4d7;
$custom-dark: #000000;

JSON

{
  "hex": "#40abc6",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 198
  },
  "hsl": {
    "h": 192.09,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69121,
    "c": 0.10328,
    "h": 217.8
  },
  "luminance": 0.34293
}

Semantic roles & 50–950 ramp

primary

#40ABC6

secondary

#CE9F93

accent

#684ADD

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40ABC6

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

Preview Lab → · Contrast checker → · Palette generator →