Colour

#D90009

#D90009
Red
Dark
Nearest: Red

#D90009 is a red with RGB values 217, 0, 9 and HSL 358°, 100%, 43%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#D90009#D90009

HEX#D90009

RGBrgb(217, 0, 9)

RGB (0–1)0.851, 0, 0.0353

RGB percentages85.1%, 0%, 3.5%

HSLhsl(357.5, 100%, 42.5%)

HSV / HSBhsv(357.5, 100%, 85.1%)

CMYK0%, 100%, 95.9%, 14.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,221,321

CSS custom property--colour: #D90009;

Brightness & contrast

Relative luminance0.14771WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.31:1

Contrast with white5.31:1WCAG normal text: AA

Contrast with black3.95:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#26FFF6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5001no red cones; affects about 1% of men; ΔE 77 from the original

Deuteranopia#8A7A00no green cones; the most common form, about 1% of men; ΔE 76.1 from the original

Tritanopia#F0000Dno blue cones; rare, and affects men and women equally; ΔE 8.4 from the original

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

Contrast with white, large text5.31:1WCAG large text: AAA

Contrast with black, large text3.95:1WCAG large text: AA

Named colours

Red · ΔE 16 Orange red · ΔE 17.6 Crimson · ΔE 23.2 Tomato · ΔE 23.7 Firebrick · ΔE 25.1 Dark red · ΔE 30.6

Nearest named CSS colourRed (#FF0000)ΔE 15.98, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00D9D0

Analogous#D90076, #D96400

Triadic#09D900, #0009D9

Split complementary#00D964, #0076D9

Tetradic#75D900, #00D9D0, #6300D9

Tints, shades & saturation

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

Lighter +40%#FFA6AA

Lighter +30%#FF7379

Lighter +20%#FF4048

Lighter +10%#FF0D17

Darker −10%#A60007

Darker −20%#730005

Darker −30%#400003

Darker −40%#0D0001

More saturated +25%#D90009

Less saturated −25%#BE1B22

Channel breakdown

R217

Red217 (85.1%)

Green0 (0%)

Blue9 (3.5%)

Hue357.51°

Saturation (HSL)100%

Lightness42.55%

Dominant channelRed

Hex per channelR D9 · G 00 · B 09

Keep nerding

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#D90009

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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