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Recognised as Colour

#911D00

  • #911D00
  • Red
  • Dark
  • Nearest: Dark red

#911D00 is a red with RGB values 145, 29, 0 and HSL 12°, 100%, 28%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#911D00#911D00
HEX#911D00
RGBrgb(145, 29, 0)
RGB (0–1)0.5686, 0.1137, 0
RGB percentages56.9%, 11.4%, 0%
HSLhsl(12, 100%, 28.4%)
HSV / HSBhsv(12, 100%, 56.9%)
CMYK0%, 80%, 100%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,510,144
CSS custom property--colour: #911D00;

Brightness & contrast

Relative luminance0.06898WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.82:1
Contrast with white8.82:1WCAG normal text: AAA
Contrast with black2.38:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#6EE2FF

Colour vision & accessibility

Protanopia#433A00no red cones; affects about 1% of men; ΔE 51 from the original
Deuteranopia#5F5300no green cones; the most common form, about 1% of men; ΔE 50.2 from the original
Tritanopia#A10019no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.82:1WCAG large text: AAA
Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark red (#8B0000)ΔE 6.5, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#007491
Analogous#91002B, #916600
Triadic#00911D, #1D0091
Split complementary#009166, #002B91
Tetradic#2C9100, #007491, #660091

Tints, shades & saturation

Lighter +40%#FF7E5E
Lighter +30%#FF552B
Lighter +20%#F73100
Lighter +10%#C42700
Darker −10%#5E1300
Darker −20%#2B0900
Darker −30%#000000
Darker −40%#000000
More saturated +25%#911D00
Less saturated −25%#7F2812

Channel breakdown

R145
G29
B0
Red145 (56.9%)
Green29 (11.4%)
Blue0 (0%)
Hue12°
Saturation (HSL)100%
Lightness28.43%
Dominant channelRed
Hex per channelR 91 · G 1D · B 00

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Every value on this page was computed from “911d00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.