Colour
#170F11
- #170F11
- Red
- Dark
- Nearest: Black
#170F11 is a red with RGB values 23, 15, 17 and HSL 345°, 21%, 7%. It is a dark colour, so white text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#170F11#170F11
HEX#170F11
RGBrgb(23, 15, 17)
RGB (0–1)0.0902, 0.0588, 0.0667
RGB percentages9%, 5.9%, 6.7%
HSLhsl(345, 21.1%, 7.5%)
HSV / HSBhsv(345, 34.8%, 9%)
CMYK0%, 34.8%, 26.1%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,511,185
CSS custom property--colour: #170F11;
Brightness & contrast
Relative luminance0.00564WCAG 2.x, 0 is black and 1 is white
Perceived brightness18 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.87:1
Contrast with white18.87:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#E8F0EE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.87:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0F1715
Analogous#170F15, #17110F
Triadic#11170F, #0F1117
Split complementary#0F1711, #0F1517
Tetradic#15170F, #0F1715, #110F17
Tints, shades & saturation
Channel breakdown
R23
G15
B17
Red23 (9%)
Green15 (5.9%)
Blue17 (6.7%)
Hue345°
Saturation (HSL)21.05%
Lightness7.45%
Dominant channelRed
Hex per channelR 17 · G 0F · B 11
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