#40ACC5#40ACC5

#40ACC5 is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.3% C 0.103 H 216.1°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#40ACC5
RGB	rgb(64, 172, 197)
HSL	hsl(191, 53%, 51%)
HSV	hsv(191, 68%, 77%)
CMYK	cmyk(67.5%, 12.7%, 0%, 22.7%)
CIE-LAB	lab(65.45, -22.65, -21.76)
CIE-LCH	lch(65.45, 31.41, 223.85°)
OKLab	oklab(69.32% -0.083 -0.0606)
OKLCH	oklch(69.32% 0.103 216.1)
XYZ	xyz(26.9407, 34.6233, 58.0756)
Luminance	0.3463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ACC5 #C55940

analogous

#40C59B #40ACC5 #4069C5

triadic

#40ACC5 #C540AC #ACC540

tetradic

#40ACC5 #9B40C5 #C55940 #69C540

square

#40ACC5 #9B40C5 #C55940 #69C540

split-complementary

#40ACC5 #C54069 #C59B40

monochromatic

#205C6A #2F8599 #40ACC5 #6FC0D3 #9ED5E2

Accessibility & contrast

On white

2.65

#40ACC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#40ACC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ACC5

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ACC5	#FFFFFF	#000000	##000000
##40ACC5	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA7C6

Deuteranopia (green-blind)

#8899C5

Tritanopia (blue-blind)

#00B5B4

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40acc5;
/* rgb */ color: rgb(64, 172, 197);
/* oklch */ color: oklch(69.3% 0.103 216.1);

Tailwind

colors: {
  custom: {
    50: '#85c5d6',
    500: '#40acc5',
    950: '#000000',
  },
}

SCSS

$custom: #40acc5;
$custom-light: #85c5d6;
$custom-dark: #000000;

JSON

{
  "hex": "#40acc5",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 197
  },
  "hsl": {
    "h": 191.278,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.6932,
    "c": 0.10277,
    "h": 216.1
  },
  "luminance": 0.34626
}

Semantic roles & 50–950 ramp

primary

#40ACC5

secondary

#CE9E93

accent

#664BDD

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40ACC5

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

Preview Lab → · Contrast checker → · Palette generator →