Recognised as Colour

#640E2A

#640E2A
Red
Dark
Nearest: Brown

#640E2A is a red with RGB values 100, 14, 42 and HSL 340°, 75%, 22%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#640E2A#640E2A

HEX#640E2A

RGBrgb(100, 14, 42)

RGB (0–1)0.3922, 0.0549, 0.1647

RGB percentages39.2%, 5.5%, 16.5%

HSLhsl(340.5, 75.4%, 22.4%)

HSV / HSBhsv(340.5, 86%, 39.2%)

CMYK0%, 86%, 58%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,557,226

CSS custom property--colour: #640E2A;

Brightness & contrast

Relative luminance0.03191WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.82:1

Contrast with white12.82:1WCAG normal text: AAA

Contrast with black1.64:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#9BF1D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#26272Ano red cones; affects about 1% of men; ΔE 39.6 from the original

Deuteranopia#3C3828no green cones; the most common form, about 1% of men; ΔE 40.2 from the original

Tritanopia#6E001Bno blue cones; rare, and affects men and women equally; ΔE 13.1 from the original

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

Contrast with white, large text12.82:1WCAG large text: AAA

Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Brown · ΔE 31.2 Maroon · ΔE 33.2 Indian red · ΔE 36.6 Dark red · ΔE 37.6 Sienna · ΔE 38.2 Firebrick · ΔE 40

Nearest named CSS colourBrown (#A52A2A)ΔE 31.24, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0E6448

Analogous#640E55, #641D0E

Triadic#2A640E, #0E2A64

Split complementary#0E641D, #0E5564

Tetradic#55640E, #0E6448, #1D0E64

Tints, shades & saturation

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

Lighter +40%#E75786

Lighter +30%#E12A66

Lighter +20%#BD1B50

Lighter +10%#91143D

Darker −10%#370817

Darker −20%#0B0104

Darker −30%#000000

Darker −40%#000000

More saturated +25%#720025

Less saturated −25%#561C2F

Channel breakdown

R100

G14

B42

Red100 (39.2%)

Green14 (5.5%)

Blue42 (16.5%)

Hue340.47°

Saturation (HSL)75.44%

Lightness22.35%

Dominant channelRed

Hex per channelR 64 · G 0E · B 2A

Keep nerding

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

#640E2A

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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