Recognised as Colour

#D3040A

#D3040A
Red
Dark
Nearest: Red

#D3040A is a red with RGB values 211, 4, 10 and HSL 358°, 96%, 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

#D3040A#D3040A

HEX#D3040A

RGBrgb(211, 4, 10)

RGB (0–1)0.8275, 0.0157, 0.0392

RGB percentages82.7%, 1.6%, 3.9%

HSLhsl(358.3, 96.3%, 42.2%)

HSV / HSBhsv(358.3, 98.1%, 82.7%)

CMYK0%, 98.1%, 95.3%, 17.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,829,130

CSS custom property--colour: #D3040A;

Brightness & contrast

Relative luminance0.13958WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.54:1

Contrast with white5.54:1WCAG normal text: AA

Contrast with black3.79:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#2CFBF5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#594E02no red cones; affects about 1% of men; ΔE 74.9 from the original

Deuteranopia#867700no green cones; the most common form, about 1% of men; ΔE 74.5 from the original

Tritanopia#E9000Fno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original

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

Contrast with white, large text5.54:1WCAG large text: AAA

Contrast with black, large text3.79:1WCAG large text: AA

Named colours

Red · ΔE 18.6 Orange red · ΔE 19.3 Crimson · ΔE 21.8 Firebrick · ΔE 22.5 Tomato · ΔE 23 Dark red · ΔE 27.9

Nearest named CSS colourRed (#FF0000)ΔE 18.63, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04D3CD

Analogous#D30472, #D36504

Triadic#0AD304, #040AD3

Split complementary#04D365, #0472D3

Tetradic#72D304, #04D3CD, #6504D3

Tints, shades & saturation

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

Lighter +40%#FDA6A8

Lighter +30%#FC7478

Lighter +20%#FB4247

Lighter +10%#FA1016

Darker −10%#A10308

Darker −20%#6F0205

Darker −30%#3D0103

Darker −40%#0B0001

More saturated +25%#D70006

Less saturated −25%#B81F23

Channel breakdown

R211

B10

Red211 (82.7%)

Green4 (1.6%)

Blue10 (3.9%)

Hue358.26°

Saturation (HSL)96.28%

Lightness42.16%

Dominant channelRed

Hex per channelR D3 · G 04 · B 0A

Keep nerding

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

#D3040A

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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