Colour

#64002B

#64002B
Red
Dark
Nearest: Brown

#64002B is a red with RGB values 100, 0, 43 and HSL 334°, 100%, 20%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#64002B#64002B

HEX#64002B

RGBrgb(100, 0, 43)

RGB (0–1)0.3922, 0, 0.1686

RGB percentages39.2%, 0%, 16.9%

HSLhsl(334.2, 100%, 19.6%)

HSV / HSBhsv(334.2, 100%, 39.2%)

CMYK0%, 100%, 57%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,553,643

CSS custom property--colour: #64002B;

Brightness & contrast

Relative luminance0.02884WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.32:1

Contrast with white13.32:1WCAG normal text: AAA

Contrast with black1.58:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#9BFFD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#20232Cno red cones; affects about 1% of men; ΔE 42.9 from the original

Deuteranopia#393629no green cones; the most common form, about 1% of men; ΔE 43.9 from the original

Tritanopia#6E0016no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original

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

Contrast with white, large text13.32:1WCAG large text: AAA

Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Brown · ΔE 32.7 Maroon · ΔE 34.9 Indian red · ΔE 38.4 Dark red · ΔE 39.1 Firebrick · ΔE 41.1 Pale violetred · ΔE 41.3

Nearest named CSS colourBrown (#A52A2A)ΔE 32.75, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006439

Analogous#64005D, #640700

Triadic#2B6400, #002B64

Split complementary#006407, #005D64

Tetradic#5D6400, #006439, #070064

Tints, shades & saturation

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

Lighter +40%#FF318A

Lighter +30%#FD006D

Lighter +20%#CA0057

Lighter +10%#970041

Darker −10%#310015

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#64002B

Less saturated −25%#580C2D

Channel breakdown

R100

B43

Red100 (39.2%)

Green0 (0%)

Blue43 (16.9%)

Hue334.2°

Saturation (HSL)100%

Lightness19.61%

Dominant channelRed

Hex per channelR 64 · G 00 · B 2B

Keep nerding

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#64002B

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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