Recognised as Colour
#33010E
- #33010E
- Red
- Dark
- Nearest: Black
#33010E is a red with RGB values 51, 1, 14 and HSL 344°, 96%, 10%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#33010E#33010E
HEX#33010E
RGBrgb(51, 1, 14)
RGB (0–1)0.2, 0.0039, 0.0549
RGB percentages20%, 0.4%, 5.5%
HSLhsl(344.4, 96.2%, 10.2%)
HSV / HSBhsv(344.4, 98%, 20%)
CMYK0%, 98%, 72.5%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,342,606
CSS custom property--colour: #33010E;
Brightness & contrast
Relative luminance0.00757WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.24:1
Contrast with white18.24:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#0D0D0D
Inverted#CCFEF1
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.24:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#013326
Analogous#330127, #330D01
Triadic#0E3301, #010E33
Split complementary#01330D, #012733
Tetradic#273301, #013326, #0D0133
Tints, shades & saturation
Channel breakdown
R51
G1
B14
Red51 (20%)
Green1 (0.4%)
Blue14 (5.5%)
Hue344.4°
Saturation (HSL)96.15%
Lightness10.2%
Dominant channelRed
Hex per channelR 33 · G 01 · B 0E
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