Recognised as Colour

#D01F00

#D01F00
Red
Dark
Nearest: Orange red

#D01F00 is a red with RGB values 208, 31, 0 and HSL 9°, 100%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#D01F00#D01F00

HEX#D01F00

RGBrgb(208, 31, 0)

RGB (0–1)0.8157, 0.1216, 0

RGB percentages81.6%, 12.2%, 0%

HSLhsl(8.9, 100%, 40.8%)

HSV / HSBhsv(8.9, 100%, 81.6%)

CMYK0%, 85.1%, 100%, 18.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,639,424

CSS custom property--colour: #D01F00;

Brightness & contrast

Relative luminance0.1439WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.42:1

Contrast with white5.42:1WCAG normal text: AA

Contrast with black3.88:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#2FE0FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5100no red cones; affects about 1% of men; ΔE 70.5 from the original

Deuteranopia#877700no green cones; the most common form, about 1% of men; ΔE 69.5 from the original

Tritanopia#E6001Dno blue cones; rare, and affects men and women equally; ΔE 11.9 from the original

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

Contrast with white, large text5.42:1WCAG large text: AAA

Contrast with black, large text3.88:1WCAG large text: AA

Named colours

Orange red · ΔE 17 Red · ΔE 19.8 Tomato · ΔE 22.1 Firebrick · ΔE 23 Crimson · ΔE 25.4 Dark red · ΔE 27.4

Nearest named CSS colourOrange red (#FF4500)ΔE 17.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B1D0

Analogous#D00049, #D08700

Triadic#00D01F, #1F00D0

Split complementary#00D087, #0049D0

Tetradic#49D000, #00B1D0, #8700D0

Tints, shades & saturation

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

Lighter +40%#FFAC9D

Lighter +30%#FF806A

Lighter +20%#FF5537

Lighter +10%#FF2904

Darker −10%#9D1700

Darker −20%#6A1000

Darker −30%#370800

Darker −40%#040100

More saturated +25%#D01F00

Less saturated −25%#B6311A

Channel breakdown

R208

G31

Red208 (81.6%)

Green31 (12.2%)

Blue0 (0%)

Hue8.94°

Saturation (HSL)100%

Lightness40.78%

Dominant channelRed

Hex per channelR D0 · G 1F · B 00

Keep nerding

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

#D01F00

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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