Colour

#D40300

#D40300
Red
Dark
Nearest: Red

#D40300 is a red with RGB values 212, 3, 0 and HSL 1°, 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

#D40300#D40300

HEX#D40300

RGBrgb(212, 3, 0)

RGB (0–1)0.8314, 0.0118, 0

RGB percentages83.1%, 1.2%, 0%

HSLhsl(0.8, 100%, 41.6%)

HSV / HSBhsv(0.8, 100%, 83.1%)

CMYK0%, 98.6%, 100%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,894,400

CSS custom property--colour: #D40300;

Brightness & contrast

Relative luminance0.14062WCAG 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 5.51:1

Contrast with white5.51:1WCAG normal text: AA

Contrast with black3.81:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#2BFCFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A4E00no red cones; affects about 1% of men; ΔE 75.2 from the original

Deuteranopia#877700no green cones; the most common form, about 1% of men; ΔE 74.4 from the original

Tritanopia#EA000Cno 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 text5.51:1WCAG large text: AAA

Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Red · ΔE 16.4 Orange red · ΔE 17 Tomato · ΔE 24.5 Crimson · ΔE 25.1 Firebrick · ΔE 25.4 Dark red · ΔE 30

Nearest named CSS colourRed (#FF0000)ΔE 16.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00D1D4

Analogous#D40067, #D46D00

Triadic#00D403, #0300D4

Split complementary#00D46D, #0067D4

Tetradic#67D400, #00D1D4, #6D00D4

Tints, shades & saturation

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

Lighter +40%#FFA2A1

Lighter +30%#FF706E

Lighter +20%#FF3E3B

Lighter +10%#FF0B08

Darker −10%#A10200

Darker −20%#6E0200

Darker −30%#3B0100

Darker −40%#080000

More saturated +25%#D40300

Less saturated −25%#BA1D1B

Channel breakdown

R212

Red212 (83.1%)

Green3 (1.2%)

Blue0 (0%)

Hue0.85°

Saturation (HSL)100%

Lightness41.57%

Dominant channelRed

Hex per channelR D4 · G 03 · B 00

Keep nerding

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

#D40300

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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