Recognised as Colour
#A40F3D
- #A40F3D
- Red
- Dark
- Nearest: Brown
#A40F3D is a red with RGB values 164, 15, 61 and HSL 341°, 83%, 35%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#A40F3D#A40F3D
HEX#A40F3D
RGBrgb(164, 15, 61)
RGB (0–1)0.6431, 0.0588, 0.2392
RGB percentages64.3%, 5.9%, 23.9%
HSLhsl(341.5, 83.2%, 35.1%)
HSV / HSBhsv(341.5, 90.9%, 64.3%)
CMYK0%, 90.9%, 62.8%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,751,805
CSS custom property--colour: #A40F3D;
Brightness & contrast
Relative luminance0.08571WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.74:1
Contrast with white7.74:1WCAG normal text: AAA
Contrast with black2.71:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#5BF0C2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.74:1WCAG large text: AAA
Contrast with black, large text2.71:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0FA476
Analogous#A40F88, #A42B0F
Triadic#3DA40F, #0F3DA4
Split complementary#0FA42B, #0F88A4
Tetradic#88A40F, #0FA476, #2B0FA4
Tints, shades & saturation
Channel breakdown
R164
G15
B61
Red164 (64.3%)
Green15 (5.9%)
Blue61 (23.9%)
Hue341.48°
Saturation (HSL)83.24%
Lightness35.1%
Dominant channelRed
Hex per channelR A4 · G 0F · B 3D
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