Colour

#66203D

#66203D
Red
Dark
Nearest: Brown

#66203D is a red with RGB values 102, 32, 61 and HSL 335°, 52%, 26%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#66203D#66203D

HEX#66203D

RGBrgb(102, 32, 61)

RGB (0–1)0.4, 0.1255, 0.2392

RGB percentages40%, 12.5%, 23.9%

HSLhsl(335.1, 52.2%, 26.3%)

HSV / HSBhsv(335.1, 68.6%, 40%)

CMYK0%, 68.6%, 40.2%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,692,925

CSS custom property--colour: #66203D;

Brightness & contrast

Relative luminance0.04195WCAG 2.x, 0 is black and 1 is white

Perceived brightness64.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.42:1

Contrast with white11.42:1WCAG normal text: AAA

Contrast with black1.84:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#99DFC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D313Eno red cones; affects about 1% of men; ΔE 33.5 from the original

Deuteranopia#403F3Bno green cones; the most common form, about 1% of men; ΔE 35 from the original

Tritanopia#6E192Cno blue cones; rare, and affects men and women equally; ΔE 12.5 from the original

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

Contrast with white, large text11.42:1WCAG large text: AAA

Contrast with black, large text1.84:1WCAG large text: Fail

Named colours

Brown · ΔE 37.9 Pale violetred · ΔE 38 Indian red · ΔE 38.9 Dim grey · ΔE 39.7 Maroon · ΔE 41.9 Dark slateblue · ΔE 41.9

Nearest named CSS colourBrown (#A52A2A)ΔE 37.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#206649

Analogous#662060, #662620

Triadic#3D6620, #203D66

Split complementary#206626, #206066

Tetradic#606620, #206649, #262066

Tints, shades & saturation

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

Lighter +40%#D67CA1

Lighter +30%#CA5586

Lighter +20%#B4386B

Lighter +10%#8D2C54

Darker −10%#3F1426

Darker −20%#18080F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#770F3A

Less saturated −25%#553140

Channel breakdown

R102

G32

B61

Red102 (40%)

Green32 (12.5%)

Blue61 (23.9%)

Hue335.14°

Saturation (HSL)52.24%

Lightness26.27%

Dominant channelRed

Hex per channelR 66 · G 20 · B 3D

Keep nerding

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#66203D

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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