Colour

#64022D

#64022D
Red
Dark
Nearest: Brown

#64022D is a red with RGB values 100, 2, 45 and HSL 334°, 96%, 20%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#64022D#64022D

HEX#64022D

RGBrgb(100, 2, 45)

RGB (0–1)0.3922, 0.0078, 0.1765

RGB percentages39.2%, 0.8%, 17.6%

HSLhsl(333.7, 96.1%, 20%)

HSV / HSBhsv(333.7, 98%, 39.2%)

CMYK0%, 98%, 55%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,554,157

CSS custom property--colour: #64022D;

Brightness & contrast

Relative luminance0.02942WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.22:1

Contrast with white13.22:1WCAG normal text: AAA

Contrast with black1.59:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#9BFDD2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#20242Eno red cones; affects about 1% of men; ΔE 42.5 from the original

Deuteranopia#39362Bno green cones; the most common form, about 1% of men; ΔE 43.2 from the original

Tritanopia#6E0018no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

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

Contrast with white, large text13.22:1WCAG large text: AAA

Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Brown · ΔE 33.6 Maroon · ΔE 36 Indian red · ΔE 38.7 Dark red · ΔE 40.1 Pale violetred · ΔE 41 Firebrick · ΔE 42

Nearest named CSS colourBrown (#A52A2A)ΔE 33.58, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#026439

Analogous#64025E, #640802

Triadic#2D6402, #022D64

Split complementary#026408, #025E64

Tetradic#5E6402, #026439, #080264

Tints, shades & saturation

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

Lighter +40%#FB378D

Lighter +30%#FA0570

Lighter +20%#C8045A

Lighter +10%#960343

Darker −10%#320116

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#66002D

Less saturated −25%#570F2F

Channel breakdown

R100

B45

Red100 (39.2%)

Green2 (0.8%)

Blue45 (17.6%)

Hue333.67°

Saturation (HSL)96.08%

Lightness20%

Dominant channelRed

Hex per channelR 64 · G 02 · B 2D

Keep nerding

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#64022D

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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