Colour

#65001D

#65001D
Red
Dark
Nearest: Maroon

#65001D is a red with RGB values 101, 0, 29 and HSL 343°, 100%, 20%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#65001D#65001D

HEX#65001D

RGBrgb(101, 0, 29)

RGB (0–1)0.3961, 0, 0.1137

RGB percentages39.6%, 0%, 11.4%

HSLhsl(342.8, 100%, 19.8%)

HSV / HSBhsv(342.8, 100%, 39.6%)

CMYK0%, 100%, 71.3%, 60.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,619,165

CSS custom property--colour: #65001D;

Brightness & contrast

Relative luminance0.02855WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.37:1

Contrast with white13.37:1WCAG normal text: AAA

Contrast with black1.57:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#9AFFE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#24221Dno red cones; affects about 1% of men; ΔE 43.5 from the original

Deuteranopia#3C361Ano green cones; the most common form, about 1% of men; ΔE 43.9 from the original

Tritanopia#70000Eno blue cones; rare, and affects men and women equally; ΔE 13.6 from the original

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

Contrast with white, large text13.37:1WCAG large text: AAA

Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Maroon · ΔE 25.6 Brown · ΔE 25.8 Dark red · ΔE 30.1 Firebrick · ΔE 33.9 Sienna · ΔE 34.8 Indian red · ΔE 35

Nearest named CSS colourMaroon (#800000)ΔE 25.57, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006548

Analogous#650050, #651600

Triadic#1D6500, #001D65

Split complementary#006516, #005065

Tetradic#4F6500, #006548, #150065

Tints, shades & saturation

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

Lighter +40%#FF326D

Lighter +30%#FE0049

Lighter +20%#CB003A

Lighter +10%#98002C

Darker −10%#32000E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#65001D

Less saturated −25%#580D22

Channel breakdown

R101

B29

Red101 (39.6%)

Green0 (0%)

Blue29 (11.4%)

Hue342.77°

Saturation (HSL)100%

Lightness19.8%

Dominant channelRed

Hex per channelR 65 · G 00 · B 1D

Keep nerding

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#65001D

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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