Recognised as Colour

#D40001

#D40001
Red
Dark
Nearest: Red

#D40001 is a red with RGB values 212, 0, 1 and HSL 360°, 100%, 42%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#D40001#D40001

HEX#D40001

RGBrgb(212, 0, 1)

RGB (0–1)0.8314, 0, 0.0039

RGB percentages83.1%, 0%, 0.4%

HSLhsl(359.7, 100%, 41.6%)

HSV / HSBhsv(359.7, 100%, 83.1%)

CMYK0%, 100%, 99.5%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,893,633

CSS custom property--colour: #D40001;

Brightness & contrast

Relative luminance0.13999WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.53:1

Contrast with white5.53:1WCAG normal text: AA

Contrast with black3.8:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#2BFFFE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#594E00no red cones; affects about 1% of men; ΔE 75.9 from the original

Deuteranopia#877700no green cones; the most common form, about 1% of men; ΔE 74.6 from the original

Tritanopia#EA000Bno blue cones; rare, and affects men and women equally; ΔE 7.4 from the original

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

Contrast with white, large text5.53:1WCAG large text: AAA

Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Red · ΔE 16.5 Orange red · ΔE 17.3 Tomato · ΔE 24.5 Crimson · ΔE 24.7 Firebrick · ΔE 25.2 Dark red · ΔE 29.9

Nearest named CSS colourRed (#FF0000)ΔE 16.48, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00D4D3

Analogous#D4006B, #D46900

Triadic#01D400, #0001D4

Split complementary#00D469, #006BD4

Tetradic#6BD400, #00D4D3, #6900D4

Tints, shades & saturation

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

Lighter +40%#FFA1A1

Lighter +30%#FF6E6F

Lighter +20%#FF3B3C

Lighter +10%#FF0809

Darker −10%#A10001

Darker −20%#6E0001

Darker −30%#3B0000

Darker −40%#080000

More saturated +25%#D40001

Less saturated −25%#BA1B1B

Channel breakdown

R212

Red212 (83.1%)

Green0 (0%)

Blue1 (0.4%)

Hue359.72°

Saturation (HSL)100%

Lightness41.57%

Dominant channelRed

Hex per channelR D4 · G 00 · B 01

Keep nerding

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

#D40001

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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