Recognised as Colour

#64161B

#64161B
Red
Dark
Nearest: Maroon

#64161B is a red with RGB values 100, 22, 27 and HSL 356°, 64%, 24%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#64161B#64161B

HEX#64161B

RGBrgb(100, 22, 27)

RGB (0–1)0.3922, 0.0863, 0.1059

RGB percentages39.2%, 8.6%, 10.6%

HSLhsl(356.2, 63.9%, 23.9%)

HSV / HSBhsv(356.2, 78%, 39.2%)

CMYK0%, 78%, 73%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,559,259

CSS custom property--colour: #64161B;

Brightness & contrast

Relative luminance0.03362WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.56:1

Contrast with white12.56:1WCAG normal text: AAA

Contrast with black1.67:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#9BE9E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2C291Bno red cones; affects about 1% of men; ΔE 37.4 from the original

Deuteranopia#403919no green cones; the most common form, about 1% of men; ΔE 36.9 from the original

Tritanopia#6E0019no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original

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

Contrast with white, large text12.56:1WCAG large text: AAA

Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Maroon · ΔE 24.5 Brown · ΔE 25.3 Sienna · ΔE 29.1 Dark red · ΔE 29.2 Saddle brown · ΔE 29.3 Indian red · ΔE 33.8

Nearest named CSS colourMaroon (#800000)ΔE 24.48, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16645F

Analogous#641642, #643816

Triadic#1B6416, #161B64

Split complementary#166438, #164264

Tetradic#426416, #16645F, #381664

Tints, shades & saturation

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

Lighter +40%#DE6870

Lighter +30%#D53E48

Lighter +20%#B82832

Lighter +10%#8E1F26

Darker −10%#3A0D10

Darker −20%#100404

Darker −30%#000000

Darker −40%#000000

More saturated +25%#73070E

Less saturated −25%#552528

Channel breakdown

R100

G22

B27

Red100 (39.2%)

Green22 (8.6%)

Blue27 (10.6%)

Hue356.15°

Saturation (HSL)63.93%

Lightness23.92%

Dominant channelRed

Hex per channelR 64 · G 16 · B 1B

Keep nerding

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

#64161B

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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