Recognised as Colour

#931D09

#931D09
Red
Dark
Nearest: Dark red

#931D09 is a red with RGB values 147, 29, 9 and HSL 9°, 88%, 31%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#931D09#931D09

HEX#931D09

RGBrgb(147, 29, 9)

RGB (0–1)0.5765, 0.1137, 0.0353

RGB percentages57.6%, 11.4%, 3.5%

HSLhsl(8.7, 88.5%, 30.6%)

HSV / HSBhsv(8.7, 93.9%, 57.6%)

CMYK0%, 80.3%, 93.9%, 42.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,641,225

CSS custom property--colour: #931D09;

Brightness & contrast

Relative luminance0.07101WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.68:1

Contrast with white8.68:1WCAG normal text: AAA

Contrast with black2.42:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#6CE2F6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433B04no red cones; affects about 1% of men; ΔE 51.8 from the original

Deuteranopia#605500no green cones; the most common form, about 1% of men; ΔE 51.7 from the original

Tritanopia#A3001Bno blue cones; rare, and affects men and women equally; ΔE 12.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.68:1WCAG large text: AAA

Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Dark red · ΔE 5.4 Maroon · ΔE 7.3 Firebrick · ΔE 11.7 Brown · ΔE 12.4 Saddle brown · ΔE 21.6 Sienna · ΔE 22.3

Nearest named CSS colourDark red (#8B0000)ΔE 5.38, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#097F93

Analogous#93093A, #936209

Triadic#09931D, #1D0993

Split complementary#099362, #093A93

Tetradic#3A9309, #097F93, #620993

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F68572

Lighter +30%#F35B42

Lighter +20%#F03212

Lighter +10%#C3260C

Darker −10%#631406

Darker −20%#330A03

Darker −30%#030100

Darker −40%#000000

More saturated +25%#9C1700

Less saturated −25%#802B1C

Channel breakdown

R147

G29

Red147 (57.6%)

Green29 (11.4%)

Blue9 (3.5%)

Hue8.7°

Saturation (HSL)88.46%

Lightness30.59%

Dominant channelRed

Hex per channelR 93 · G 1D · B 09

Keep nerding

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#931D09

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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