#40ADCD#40ADCD

#40ADCD is a light, moderate cyan. Relative luminance 0.354; OKLCH L 69.9% C 0.107 H 221.1°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#40ADCD
RGB	rgb(64, 173, 205)
HSL	hsl(194, 59%, 53%)
HSV	hsv(194, 69%, 80%)
CMYK	cmyk(68.8%, 15.6%, 0%, 19.6%)
CIE-LAB	lab(66.04, -20.66, -25.28)
CIE-LCH	lch(66.04, 32.65, 230.75°)
OKLab	oklab(69.89% -0.0809 -0.0706)
OKLCH	oklch(69.89% 0.107 221.1)
XYZ	xyz(28.0728, 35.3818, 63.0956)
Luminance	0.3538 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ADCD #CD6040

analogous

#40CDA6 #40ADCD #4066CD

triadic

#40ADCD #CD40AD #ADCD40

tetradic

#40ADCD #A640CD #CD6040 #66CD40

square

#40ADCD #A640CD #CD6040 #66CD40

split-complementary

#40ADCD #CD4066 #CDA640

monochromatic

#1E6174 #2B89A5 #40ADCD #71C2DA #A1D7E6

Accessibility & contrast

On white

2.60

#40ADCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#40ADCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ADCD

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ADCD	#FFFFFF	#000000	##000000
##40ADCD	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA9CF

Deuteranopia (green-blind)

#869ACD

Tritanopia (blue-blind)

#00B7B7

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40adcd;
/* rgb */ color: rgb(64, 173, 205);
/* oklch */ color: oklch(69.9% 0.107 221.1);

Tailwind

colors: {
  custom: {
    50: '#86c5dc',
    500: '#40adcd',
    950: '#000000',
  },
}

SCSS

$custom: #40adcd;
$custom-light: #86c5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#40adcd",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 205
  },
  "hsl": {
    "h": 193.617,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.69891,
    "c": 0.10738,
    "h": 221.1
  },
  "luminance": 0.35385
}

Semantic roles & 50–950 ramp

primary

#40ADCD

secondary

#D3A496

accent

#6946E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #40ADCD

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

Preview Lab → · Contrast checker → · Palette generator →