Recognised as Colour

#D30733

#D30733
Red
Dark
Nearest: Crimson

#D30733 is a red with RGB values 211, 7, 51 and HSL 347°, 94%, 43%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D30733#D30733

HEX#D30733

RGBrgb(211, 7, 51)

RGB (0–1)0.8275, 0.0275, 0.2

RGB percentages82.7%, 2.7%, 20%

HSLhsl(347.1, 93.6%, 42.7%)

HSV / HSBhsv(347.1, 96.7%, 82.7%)

CMYK0%, 96.7%, 75.8%, 17.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,829,939

CSS custom property--colour: #D30733;

Brightness & contrast

Relative luminance0.1424WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.46:1

Contrast with white5.46:1WCAG normal text: AA

Contrast with black3.85:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#2CF8CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#575032no red cones; affects about 1% of men; ΔE 74.6 from the original

Deuteranopia#85772Bno green cones; the most common form, about 1% of men; ΔE 74.3 from the original

Tritanopia#E90020no blue cones; rare, and affects men and women equally; ΔE 17.4 from the original

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

Contrast with white, large text5.46:1WCAG large text: AAA

Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Crimson · ΔE 3.4 Firebrick · ΔE 15 Brown · ΔE 21.9 Tomato · ΔE 23.8 Dark red · ΔE 25.6 Maroon · ΔE 29

Nearest named CSS colourCrimson (#DC143C)ΔE 3.42, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#07D3A7

Analogous#D30799, #D34107

Triadic#33D307, #0733D3

Split complementary#07D341, #0799D3

Tetradic#99D307, #07D3A7, #4107D3

Tints, shades & saturation

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

Lighter +40%#FCAABC

Lighter +30%#FB7895

Lighter +20%#F9476D

Lighter +10%#F71646

Darker −10%#A20527

Darker −20%#70041B

Darker −30%#3F020F

Darker −40%#0E0003

More saturated +25%#DA002F

Less saturated −25%#B82242

Channel breakdown

R211

B51

Red211 (82.7%)

Green7 (2.7%)

Blue51 (20%)

Hue347.06°

Saturation (HSL)93.58%

Lightness42.75%

Dominant channelRed

Hex per channelR D3 · G 07 · B 33

Keep nerding

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

#D30733

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

Nerdulate something else