Recognised as Colour

#66233C

#66233C
Red
Dark
Nearest: Brown

#66233C is a red with RGB values 102, 35, 60 and HSL 338°, 49%, 27%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#66233C#66233C

HEX#66233C

RGBrgb(102, 35, 60)

RGB (0–1)0.4, 0.1373, 0.2353

RGB percentages40%, 13.7%, 23.5%

HSLhsl(337.6, 48.9%, 26.9%)

HSV / HSBhsv(337.6, 65.7%, 40%)

CMYK0%, 65.7%, 41.2%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,693,692

CSS custom property--colour: #66233C;

Brightness & contrast

Relative luminance0.04353WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.23:1

Contrast with white11.23:1WCAG normal text: AAA

Contrast with black1.87:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#99DCC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2F333Dno red cones; affects about 1% of men; ΔE 32.7 from the original

Deuteranopia#41403Ano green cones; the most common form, about 1% of men; ΔE 33.8 from the original

Tritanopia#6F1C2Dno blue cones; rare, and affects men and women equally; ΔE 11.7 from the original

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

Contrast with white, large text11.23:1WCAG large text: AAA

Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Brown · ΔE 37.3 Pale violetred · ΔE 38 Dim grey · ΔE 38.1 Indian red · ΔE 38.2 Sienna · ΔE 40.6 Black · ΔE 41

Nearest named CSS colourBrown (#A52A2A)ΔE 37.26, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#23664D

Analogous#66235D, #662C23

Triadic#3C6623, #233C66

Split complementary#23662C, #235D66

Tetradic#5E6623, #23664D, #2C2366

Tints, shades & saturation

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

Lighter +40%#D481A0

Lighter +30%#C75B83

Lighter +20%#B23D69

Lighter +10%#8C3052

Darker −10%#401626

Darker −20%#1A090F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#771238

Less saturated −25%#553440

Channel breakdown

R102

G35

B60

Red102 (40%)

Green35 (13.7%)

Blue60 (23.5%)

Hue337.61°

Saturation (HSL)48.91%

Lightness26.86%

Dominant channelRed

Hex per channelR 66 · G 23 · B 3C

Keep nerding

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

#66233C

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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