#40ACD1#40ACD1

#40ACD1 is a light, moderate cyan. Relative luminance 0.352; OKLCH L 69.8% C 0.110 H 224.7°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#40ACD1
RGB	rgb(64, 172, 209)
HSL	hsl(195, 61%, 54%)
HSV	hsv(195, 69%, 82%)
CMYK	cmyk(69.4%, 17.7%, 0%, 18%)
CIE-LAB	lab(65.90, -18.86, -27.72)
CIE-LCH	lch(65.90, 33.53, 235.76°)
OKLab	oklab(69.83% -0.0784 -0.0775)
OKLCH	oklch(69.83% 0.11 224.7)
XYZ	xyz(28.3708, 35.1953, 65.6074)
Luminance	0.3520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ACD1 #D16540

analogous

#40D1AD #40ACD1 #4063D1

triadic

#40ACD1 #D140AC #ACD140

tetradic

#40ACD1 #AD40D1 #D16540 #63D140

square

#40ACD1 #AD40D1 #D16540 #63D140

split-complementary

#40ACD1 #D14063 #D1AD40

monochromatic

#1D6279 #298AAB #40ACD1 #71C1DD #A3D7E9

Accessibility & contrast

On white

2.61

#40ACD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#40ACD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ACD1

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ACD1	#FFFFFF	#000000	##000000
##40ACD1	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A8D3

Deuteranopia (green-blind)

#839AD1

Tritanopia (blue-blind)

#00B7B8

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40acd1;
/* rgb */ color: rgb(64, 172, 209);
/* oklch */ color: oklch(69.8% 0.110 224.7);

Tailwind

colors: {
  custom: {
    50: '#86c4df',
    500: '#40acd1',
    950: '#000000',
  },
}

SCSS

$custom: #40acd1;
$custom-light: #86c4df;
$custom-dark: #000000;

JSON

{
  "hex": "#40acd1",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 209
  },
  "hsl": {
    "h": 195.31,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.69826,
    "c": 0.11026,
    "h": 224.7
  },
  "luminance": 0.35198
}

Semantic roles & 50–950 ramp

primary

#40ACD1

secondary

#D5A797

accent

#6D44E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40ACD1

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

Preview Lab → · Contrast checker → · Palette generator →