Colour

#9B1F00

#9B1F00
Red
Dark
Nearest: Dark red

#9B1F00 is a red with RGB values 155, 31, 0 and HSL 12°, 100%, 30%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#9B1F00#9B1F00

HEX#9B1F00

RGBrgb(155, 31, 0)

RGB (0–1)0.6078, 0.1216, 0

RGB percentages60.8%, 12.2%, 0%

HSLhsl(12, 100%, 30.4%)

HSV / HSBhsv(12, 100%, 60.8%)

CMYK0%, 80%, 100%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,166,016

CSS custom property--colour: #9B1F00;

Brightness & contrast

Relative luminance0.07949WCAG 2.x, 0 is black and 1 is white

Perceived brightness88 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.11:1

Contrast with white8.11:1WCAG normal text: AAA

Contrast with black2.59:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#64E0FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#483E00no red cones; affects about 1% of men; ΔE 53.5 from the original

Deuteranopia#665900no green cones; the most common form, about 1% of men; ΔE 52.8 from the original

Tritanopia#AC001Bno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original

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

Contrast with white, large text8.11:1WCAG large text: AAA

Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Dark red · ΔE 8.4 Maroon · ΔE 12.3 Firebrick · ΔE 12.7 Brown · ΔE 16.9 Saddle brown · ΔE 23.7 Sienna · ΔE 24.9

Nearest named CSS colourDark red (#8B0000)ΔE 8.36, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#007C9B

Analogous#9B002E, #9B6C00

Triadic#009B1F, #1F009B

Split complementary#009B6D, #002E9B

Tetradic#2F9B00, #007C9B, #6D009B

Tints, shades & saturation

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

Lighter +40%#FF8668

Lighter +30%#FF5D35

Lighter +20%#FF3502

Lighter +10%#CE2900

Darker −10%#681500

Darker −20%#350B00

Darker −30%#020000

Darker −40%#000000

More saturated +25%#9B1F00

Less saturated −25%#882B13

Channel breakdown

R155

G31

Red155 (60.8%)

Green31 (12.2%)

Blue0 (0%)

Hue12°

Saturation (HSL)100%

Lightness30.39%

Dominant channelRed

Hex per channelR 9B · G 1F · B 00

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#9B1F00

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

Nerdulate something else