#40B2CD#40B2CD

#40B2CD is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.1% C 0.107 H 216.7°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#40B2CD
RGBrgb(64, 178, 205)
HSLhsl(191, 59%, 53%)
HSVhsv(191, 69%, 80%)
CMYKcmyk(68.8%, 13.2%, 0%, 19.6%)
CIE-LABlab(67.53, -23.23, -23.01)
CIE-LCHlch(67.53, 32.70, 224.73°)
OKLaboklab(71.08% -0.0859 -0.0641)
OKLCHoklch(71.08% 0.107 216.7)
XYZxyz(29.0496, 37.3353, 63.4212)
Luminance0.3734 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B2CD #CD5B40
analogous
#40CDA1 #40B2CD #406CCD
triadic
#40B2CD #CD40B2 #B2CD40
tetradic
#40B2CD #A140CD #CD5B40 #6CCD40
square
#40B2CD #A140CD #CD5B40 #6CCD40
split-complementary
#40B2CD #CD406C #CDA140
monochromatic
#1E6474 #2B8DA5 #40B2CD #71C6DA #A1D9E6

Accessibility & contrast

On white

2.48
#40B2CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.47
#40B2CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B2CD
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B2CD#FFFFFF#000000##000000
##40B2CD1.002.488.478.47
#FFFFFF2.481.0021.0021.00
#0000008.4721.001.001.00
##0000008.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0ADCF
Deuteranopia (green-blind)
#8C9ECD
Tritanopia (blue-blind)
#00BCBA
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #40b2cd;
/* rgb */ color: rgb(64, 178, 205);
/* oklch */ color: oklch(71.1% 0.107 216.7);
Tailwind
colors: {
  custom: {
    50: '#86c9dc',
    500: '#40b2cd',
    950: '#000000',
  },
}
SCSS
$custom: #40b2cd;
$custom-light: #86c9dc;
$custom-dark: #000000;
JSON
{
  "hex": "#40b2cd",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 205
  },
  "hsl": {
    "h": 191.489,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.71082,
    "c": 0.10724,
    "h": 216.7
  },
  "luminance": 0.37339
}

Semantic roles & 50–950 ramp

primary
#40B2CD
secondary
#D3A296
accent
#6446E2
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0D1315
muted
#7D8283

Preview Lab

Preview with #40B2CD

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

Preview Lab → · Contrast checker → · Palette generator →

#40B2CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva