#40ACC3#40ACC3

#40ACC3 is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.2% C 0.102 H 214.6°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#40ACC3
RGB	rgb(64, 172, 195)
HSL	hsl(191, 52%, 51%)
HSV	hsv(191, 67%, 76%)
CMYK	cmyk(67.2%, 11.8%, 0%, 23.5%)
CIE-LAB	lab(65.38, -23.27, -20.76)
CIE-LCH	lch(65.38, 31.18, 221.73°)
OKLab	oklab(69.24% -0.0838 -0.0577)
OKLCH	oklch(69.24% 0.102 214.6)
XYZ	xyz(26.7131, 34.5322, 56.8767)
Luminance	0.3453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ACC3 #C35740

analogous

#40C398 #40ACC3 #406AC3

triadic

#40ACC3 #C340AC #ACC340

tetradic

#40ACC3 #9840C3 #C35740 #6AC340

square

#40ACC3 #9840C3 #C35740 #6AC340

split-complementary

#40ACC3 #C3406A #C39840

monochromatic

#215B68 #2F8497 #40ACC3 #6FC0D2 #9DD4E0

Accessibility & contrast

On white

2.66

#40ACC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#40ACC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ACC3

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ACC3	#FFFFFF	#000000	##000000
##40ACC3	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA7C4

Deuteranopia (green-blind)

#8999C3

Tritanopia (blue-blind)

#00B5B3

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40acc3;
/* rgb */ color: rgb(64, 172, 195);
/* oklch */ color: oklch(69.2% 0.102 214.6);

Tailwind

colors: {
  custom: {
    50: '#85c5d5',
    500: '#40acc3',
    950: '#000000',
  },
}

SCSS

$custom: #40acc3;
$custom-light: #85c5d5;
$custom-dark: #000000;

JSON

{
  "hex": "#40acc3",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 195
  },
  "hsl": {
    "h": 190.534,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.69239,
    "c": 0.10179,
    "h": 214.6
  },
  "luminance": 0.34535
}

Semantic roles & 50–950 ramp

primary

#40ACC3

secondary

#CC9D92

accent

#654CDC

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40ACC3

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

Preview Lab → · Contrast checker → · Palette generator →