#40B2CC#40B2CC

#40B2CC is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.0% C 0.107 H 216.0°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#40B2CC
RGB	rgb(64, 178, 204)
HSL	hsl(191, 58%, 53%)
HSV	hsv(191, 69%, 80%)
CMYK	cmyk(68.6%, 12.7%, 0%, 20%)
CIE-LAB	lab(67.49, -23.55, -22.52)
CIE-LCH	lch(67.49, 32.58, 223.72°)
OKLab	oklab(71.04% -0.0863 -0.0627)
OKLCH	oklch(71.04% 0.107 216)
XYZ	xyz(28.9293, 37.2871, 62.7875)
Luminance	0.3729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B2CC #CC5A40

analogous

#40CCA0 #40B2CC #406CCC

triadic

#40B2CC #CC40B2 #B2CC40

tetradic

#40B2CC #A040CC #CC5A40 #6CCC40

square

#40B2CC #A040CC #CC5A40 #6CCC40

split-complementary

#40B2CC #CC406C #CCA040

monochromatic

#1F6373 #2C8DA3 #40B2CC #70C5D9 #A1D9E6

Accessibility & contrast

On white

2.48

#40B2CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#40B2CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B2CC

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B2CC	#FFFFFF	#000000	##000000
##40B2CC	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ADCD

Deuteranopia (green-blind)

#8D9ECC

Tritanopia (blue-blind)

#00BBBA

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b2cc;
/* rgb */ color: rgb(64, 178, 204);
/* oklch */ color: oklch(71.0% 0.107 216.0);

Tailwind

colors: {
  custom: {
    50: '#86c9db',
    500: '#40b2cc',
    950: '#000000',
  },
}

SCSS

$custom: #40b2cc;
$custom-light: #86c9db;
$custom-dark: #000000;

JSON

{
  "hex": "#40b2cc",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 204
  },
  "hsl": {
    "h": 191.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71041,
    "c": 0.10672,
    "h": 216
  },
  "luminance": 0.3729
}

Semantic roles & 50–950 ramp

primary

#40B2CC

secondary

#D2A195

accent

#6347E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40B2CC

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

Preview Lab → · Contrast checker → · Palette generator →