Colour
#64313E
- #64313E
- Red
- Dark
- Nearest: Dim grey
#64313E is a red with RGB values 100, 49, 62 and HSL 345°, 34%, 29%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dim grey.
Colour values
#64313E#64313E
HEX#64313E
RGBrgb(100, 49, 62)
RGB (0–1)0.3922, 0.1922, 0.2431
RGB percentages39.2%, 19.2%, 24.3%
HSLhsl(344.7, 34.2%, 29.2%)
HSV / HSBhsv(344.7, 51%, 39.2%)
CMYK0%, 51%, 38%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,566,206
CSS custom property--colour: #64313E;
Brightness & contrast
Relative luminance0.05254WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.24:1
Contrast with white10.24:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#9BCEC1
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.24:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#316457
Analogous#643157, #643D31
Triadic#3E6431, #313E64
Split complementary#31643D, #315764
Tetradic#586431, #316457, #3E3164
Tints, shades & saturation
Channel breakdown
R100
G49
B62
Red100 (39.2%)
Green49 (19.2%)
Blue62 (24.3%)
Hue344.71°
Saturation (HSL)34.23%
Lightness29.22%
Dominant channelRed
Hex per channelR 64 · G 31 · B 3E
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page