#40ABC3#40ABC3

#40ABC3 is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.0% C 0.102 H 215.5°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#40ABC3
RGB	rgb(64, 171, 195)
HSL	hsl(191, 52%, 51%)
HSV	hsv(191, 67%, 76%)
CMYK	cmyk(67.2%, 12.3%, 0%, 23.5%)
CIE-LAB	lab(65.08, -22.76, -21.21)
CIE-LCH	lch(65.08, 31.11, 222.98°)
OKLab	oklab(69% -0.0828 -0.059)
OKLCH	oklch(69% 0.102 215.5)
XYZ	xyz(26.5235, 34.1530, 56.8135)
Luminance	0.3416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ABC3 #C35840

analogous

#40C399 #40ABC3 #4069C3

triadic

#40ABC3 #C340AB #ABC340

tetradic

#40ABC3 #9940C3 #C35840 #69C340

square

#40ABC3 #9940C3 #C35840 #69C340

split-complementary

#40ABC3 #C34069 #C39940

monochromatic

#215B68 #2F8497 #40ABC3 #6FBFD2 #9DD4E0

Accessibility & contrast

On white

2.68

#40ABC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#40ABC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABC3

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ABC3	#FFFFFF	#000000	##000000
##40ABC3	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA6C4

Deuteranopia (green-blind)

#8898C3

Tritanopia (blue-blind)

#00B4B2

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40abc3;
/* rgb */ color: rgb(64, 171, 195);
/* oklch */ color: oklch(69.0% 0.102 215.5);

Tailwind

colors: {
  custom: {
    50: '#85c4d5',
    500: '#40abc3',
    950: '#000000',
  },
}

SCSS

$custom: #40abc3;
$custom-light: #85c4d5;
$custom-dark: #000000;

JSON

{
  "hex": "#40abc3",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 195
  },
  "hsl": {
    "h": 190.992,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.68999,
    "c": 0.10169,
    "h": 215.5
  },
  "luminance": 0.34156
}

Semantic roles & 50–950 ramp

primary

#40ABC3

secondary

#CC9D92

accent

#664CDC

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40ABC3

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

Preview Lab → · Contrast checker → · Palette generator →