#40576A#40576A

#40576A is a dark, muted cyan. Relative luminance 0.089; OKLCH L 44.6% C 0.042 H 243.8°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX#40576A
RGBrgb(64, 87, 106)
HSLhsl(207, 25%, 33%)
HSVhsv(207, 40%, 42%)
CMYKcmyk(39.6%, 17.9%, 0%, 58.4%)
CIE-LABlab(35.88, -3.38, -13.69)
CIE-LCHlch(35.88, 14.10, 256.11°)
OKLaboklab(44.58% -0.0185 -0.0377)
OKLCHoklch(44.58% 0.042 243.8)
XYZxyz(8.1232, 8.9465, 14.9317)
Luminance0.0895 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40576A #6A5340
analogous
#406A68 #40576A #40426A
triadic
#40576A #6A4057 #576A40
tetradic
#40576A #68406A #6A5340 #426A40
square
#40576A #68406A #6A5340 #426A40
split-complementary
#40576A #6A4042 #6A6840
monochromatic
#12181E #293844 #40576A #577690 #7795AD

Accessibility & contrast

On white

7.53
#40576A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.79
#40576A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40576A
7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40576A#FFFFFF#000000##FFFFFF
##40576A1.007.532.797.53
#FFFFFF7.531.0021.001.00
#0000002.7921.001.0021.00
##FFFFFF7.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F576B
Deuteranopia (green-blind)
#4A526A
Tritanopia (blue-blind)
#315C5D
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #40576a;
/* rgb */ color: rgb(64, 87, 106);
/* oklch */ color: oklch(44.6% 0.042 243.8);
Tailwind
colors: {
  custom: {
    50: '#768694',
    500: '#40576a',
    950: '#000000',
  },
}
SCSS
$custom: #40576a;
$custom-light: #768694;
$custom-dark: #000000;
JSON
{
  "hex": "#40576a",
  "rgb": {
    "r": 64,
    "g": 87,
    "b": 106
  },
  "hsl": {
    "h": 207.143,
    "s": 24.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44579,
    "c": 0.04206,
    "h": 243.8
  },
  "luminance": 0.08947
}

Semantic roles & 50–950 ramp

primary
#40576A
secondary
#98816D
accent
#9067C1
background
#F7F8F9
surface
#EDEFF1
border
#C8CACB
text
#090B0D
muted
#7B7C7E

Preview Lab

Preview with #40576A

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

Preview Lab → · Contrast checker → · Palette generator →

#40576A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva