Recognised as Colour
#63333D
- #63333D
- Red
- Dark
- Nearest: Dim grey
#63333D is a red with RGB values 99, 51, 61 and HSL 348°, 32%, 29%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.
Colour values
#63333D#63333D
HEX#63333D
RGBrgb(99, 51, 61)
RGB (0–1)0.3882, 0.2, 0.2392
RGB percentages38.8%, 20%, 23.9%
HSLhsl(347.5, 32%, 29.4%)
HSV / HSBhsv(347.5, 48.5%, 38.8%)
CMYK0%, 48.5%, 38.4%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,501,181
CSS custom property--colour: #63333D;
Brightness & contrast
Relative luminance0.05357WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.14:1
Contrast with white10.14:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#9CCCC2
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.14:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#336359
Analogous#633355, #634133
Triadic#3D6333, #333D63
Split complementary#336341, #335563
Tetradic#556333, #336359, #413363
Tints, shades & saturation
Channel breakdown
R99
G51
B61
Red99 (38.8%)
Green51 (20%)
Blue61 (23.9%)
Hue347.5°
Saturation (HSL)32%
Lightness29.41%
Dominant channelRed
Hex per channelR 63 · G 33 · B 3D
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