Recognised as Colour
#BC170A
- #BC170A
- Red
- Dark
- Nearest: Firebrick
#BC170A is a red with RGB values 188, 23, 10 and HSL 4°, 90%, 39%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#BC170A#BC170A
HEX#BC170A
RGBrgb(188, 23, 10)
RGB (0–1)0.7373, 0.0902, 0.0392
RGB percentages73.7%, 9%, 3.9%
HSLhsl(4.4, 89.9%, 38.8%)
HSV / HSBhsv(4.4, 94.7%, 73.7%)
CMYK0%, 87.8%, 94.7%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,326,666
CSS custom property--colour: #BC170A;
Brightness & contrast
Relative luminance0.11326WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.43:1
Contrast with white6.43:1WCAG normal text: AA
Contrast with black3.27:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#43E8F5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.43:1WCAG large text: AAA
Contrast with black, large text3.27:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0AAFBC
Analogous#BC0A56, #BC700A
Triadic#0ABC17, #170ABC
Split complementary#0ABC70, #0A56BC
Tetradic#56BC0A, #0AAFBC, #700ABC
Tints, shades & saturation
Channel breakdown
R188
G23
B10
Red188 (73.7%)
Green23 (9%)
Blue10 (3.9%)
Hue4.38°
Saturation (HSL)89.9%
Lightness38.82%
Dominant channelRed
Hex per channelR BC · G 17 · B 0A
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