#40B3CA#40B3CA

#40B3CA is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.2% C 0.106 H 213.6°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#40B3CA
RGB	rgb(64, 179, 202)
HSL	hsl(190, 57%, 52%)
HSV	hsv(190, 68%, 79%)
CMYK	cmyk(68.3%, 11.4%, 0%, 20.8%)
CIE-LAB	lab(67.72, -24.67, -21.07)
CIE-LCH	lch(67.72, 32.44, 220.50°)
OKLab	oklab(71.2% -0.0882 -0.0586)
OKLCH	oklch(71.2% 0.106 213.6)
XYZ	xyz(28.8906, 37.5912, 61.5989)
Luminance	0.3759 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B3CA #CA5740

analogous

#40CA9C #40B3CA #406ECA

triadic

#40B3CA #CA40B3 #B3CA40

tetradic

#40B3CA #9C40CA #CA5740 #6ECA40

square

#40B3CA #9C40CA #CA5740 #6ECA40

split-complementary

#40B3CA #CA406E #CA9C40

monochromatic

#1F6370 #2C8DA0 #40B3CA #70C6D7 #A0D9E5

Accessibility & contrast

On white

2.47

#40B3CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#40B3CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3CA

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B3CA	#FFFFFF	#000000	##000000
##40B3CA	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2ADCB

Deuteranopia (green-blind)

#8E9FCA

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b3ca;
/* rgb */ color: rgb(64, 179, 202);
/* oklch */ color: oklch(71.2% 0.106 213.6);

Tailwind

colors: {
  custom: {
    50: '#86cada',
    500: '#40b3ca',
    950: '#000000',
  },
}

SCSS

$custom: #40b3ca;
$custom-light: #86cada;
$custom-dark: #000000;

JSON

{
  "hex": "#40b3ca",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 202
  },
  "hsl": {
    "h": 190,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71199,
    "c": 0.10587,
    "h": 213.6
  },
  "luminance": 0.37594
}

Semantic roles & 50–950 ramp

primary

#40B3CA

secondary

#D19F95

accent

#6148E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #40B3CA

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

Preview Lab → · Contrast checker → · Palette generator →