#40ADCB#40ADCB

#40ADCB is a light, moderate cyan. Relative luminance 0.353; OKLCH L 69.8% C 0.106 H 219.7°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#40ADCB
RGB	rgb(64, 173, 203)
HSL	hsl(193, 57%, 52%)
HSV	hsv(193, 68%, 80%)
CMYK	cmyk(68.5%, 14.8%, 0%, 20.4%)
CIE-LAB	lab(65.97, -21.29, -24.29)
CIE-LCH	lch(65.97, 32.30, 228.77°)
OKLab	oklab(69.81% -0.0817 -0.0678)
OKLCH	oklch(69.81% 0.106 219.7)
XYZ	xyz(27.8330, 35.2858, 61.8323)
Luminance	0.3529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ADCB #CB5E40

analogous

#40CBA4 #40ADCB #4067CB

triadic

#40ADCB #CB40AD #ADCB40

tetradic

#40ADCB #A440CB #CB5E40 #67CB40

square

#40ADCB #A440CB #CB5E40 #67CB40

split-complementary

#40ADCB #CB4067 #CBA440

monochromatic

#1F6072 #2C88A2 #40ADCB #70C2D8 #A0D6E5

Accessibility & contrast

On white

2.61

#40ADCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#40ADCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ADCB

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ADCB	#FFFFFF	#000000	##000000
##40ADCB	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA8CD

Deuteranopia (green-blind)

#879ACB

Tritanopia (blue-blind)

#00B7B6

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40adcb;
/* rgb */ color: rgb(64, 173, 203);
/* oklch */ color: oklch(69.8% 0.106 219.7);

Tailwind

colors: {
  custom: {
    50: '#86c5db',
    500: '#40adcb',
    950: '#000000',
  },
}

SCSS

$custom: #40adcb;
$custom-light: #86c5db;
$custom-dark: #000000;

JSON

{
  "hex": "#40adcb",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 203
  },
  "hsl": {
    "h": 192.95,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.69807,
    "c": 0.10614,
    "h": 219.7
  },
  "luminance": 0.35289
}

Semantic roles & 50–950 ramp

primary

#40ADCB

secondary

#D2A295

accent

#6847E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #40ADCB

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

Preview Lab → · Contrast checker → · Palette generator →