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Recognised as Colour

#640B07

  • #640B07
  • Red
  • Dark
  • Nearest: Maroon

#640B07 is a red with RGB values 100, 11, 7 and HSL 3°, 87%, 21%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#640B07#640B07
HEX#640B07
RGBrgb(100, 11, 7)
RGB (0–1)0.3922, 0.0431, 0.0275
RGB percentages39.2%, 4.3%, 2.7%
HSLhsl(2.6, 86.9%, 21%)
HSV / HSBhsv(2.6, 93%, 39.2%)
CMYK0%, 89%, 93%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,556,423
CSS custom property--colour: #640B07;

Brightness & contrast

Relative luminance0.02964WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.18:1
Contrast with white13.18:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#9BF4F8

Colour vision & accessibility

Protanopia#292405no red cones; affects about 1% of men; ΔE 41.2 from the original
Deuteranopia#3F3702no green cones; the most common form, about 1% of men; ΔE 40.7 from the original
Tritanopia#6F000Cno blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.18:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Nearest named CSS colourMaroon (#800000)ΔE 15.98, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#076064
Analogous#640732, #643907
Triadic#07640B, #0B0764
Split complementary#07643A, #073164
Tetradic#326407, #076064, #390764

Tints, shades & saturation

Lighter +40%#F24C45
Lighter +30%#EF1F15
Lighter +20%#C3150E
Lighter +10%#94100A
Darker −10%#340604
Darker −20%#050100
Darker −30%#000000
Darker −40%#000000
More saturated +25%#6B0500
Less saturated −25%#571714

Channel breakdown

R100
G11
B7
Red100 (39.2%)
Green11 (4.3%)
Blue7 (2.7%)
Hue2.58°
Saturation (HSL)86.92%
Lightness20.98%
Dominant channelRed
Hex per channelR 64 · G 0B · B 07

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Every value on this page was computed from “640b07” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.