#40A5D9#40A5D9

#40A5D9 is a light, moderate cyan. Relative luminance 0.330; OKLCH L 68.5% C 0.120 H 235.0°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#40A5D9
RGBrgb(64, 165, 217)
HSLhsl(200, 67%, 55%)
HSVhsv(200, 71%, 85%)
CMYKcmyk(70.5%, 24%, 0%, 14.9%)
CIE-LABlab(64.17, -12.50, -34.82)
CIE-LCHlch(64.17, 37.00, 250.25°)
OKLaboklab(68.55% -0.0686 -0.098)
OKLCHoklch(68.55% 0.12 235)
XYZxyz(28.0889, 33.0069, 70.5228)
Luminance0.3301 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A5D9 #D97440
analogous
#40D9C0 #40A5D9 #4059D9
triadic
#40A5D9 #D940A5 #A5D940
tetradic
#40A5D9 #C040D9 #D97440 #59D940
square
#40A5D9 #C040D9 #D97440 #59D940
split-complementary
#40A5D9 #D94059 #D9C040
monochromatic
#1A6084 #2485B7 #40A5D9 #73BDE3 #A6D5ED

Accessibility & contrast

On white

2.76
#40A5D9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.60
#40A5D9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5D9
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A5D9#FFFFFF#000000##000000
##40A5D91.002.767.607.60
#FFFFFF2.761.0021.0021.00
#0000007.6021.001.001.00
##0000007.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CA4DB
Deuteranopia (green-blind)
#7795D8
Tritanopia (blue-blind)
#00B3B7
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #40a5d9;
/* rgb */ color: rgb(64, 165, 217);
/* oklch */ color: oklch(68.5% 0.120 235.0);
Tailwind
colors: {
  custom: {
    50: '#87bfe5',
    500: '#40a5d9',
    950: '#000000',
  },
}
SCSS
$custom: #40a5d9;
$custom-light: #87bfe5;
$custom-dark: #000000;
JSON
{
  "hex": "#40a5d9",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 217
  },
  "hsl": {
    "h": 200.392,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.68548,
    "c": 0.11962,
    "h": 235
  },
  "luminance": 0.3301
}

Semantic roles & 50–950 ramp

primary
#40A5D9
secondary
#DAB09A
accent
#783EEA
background
#F9FBFE
surface
#F1F7FC
border
#CBD0D5
text
#0D1215
muted
#7E8184

Preview Lab

Preview with #40A5D9

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

Preview Lab → · Contrast checker → · Palette generator →

#40A5D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva