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Recognised as Colour

#670B04

  • #670B04
  • Red
  • Dark
  • Nearest: Maroon

#670B04 is a red with RGB values 103, 11, 4 and HSL 4°, 93%, 21%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#670B04#670B04
HEX#670B04
RGBrgb(103, 11, 4)
RGB (0–1)0.4039, 0.0431, 0.0157
RGB percentages40.4%, 4.3%, 1.6%
HSLhsl(4.2, 92.5%, 21%)
HSV / HSBhsv(4.2, 96.1%, 40.4%)
CMYK0%, 89.3%, 96.1%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,753,028
CSS custom property--colour: #670B04;

Brightness & contrast

Relative luminance0.03132WCAG 2.x, 0 is black and 1 is white
Perceived brightness57 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.91:1
Contrast with white12.91:1WCAG normal text: AAA
Contrast with black1.63:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#98F4FB

Colour vision & accessibility

Protanopia#2B2502no red cones; affects about 1% of men; ΔE 42 from the original
Deuteranopia#413900no green cones; the most common form, about 1% of men; ΔE 41.9 from the original
Tritanopia#72000Bno blue cones; rare, and affects men and women equally; ΔE 6.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.91:1WCAG large text: AAA
Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Nearest named CSS colourMaroon (#800000)ΔE 13.75, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#046067
Analogous#67042E, #673D04
Triadic#04670B, #0B0467
Split complementary#04673D, #042E67
Tetradic#2F6704, #046067, #3D0467

Tints, shades & saturation

Lighter +40%#F84C3F
Lighter +30%#F61F0E
Lighter +20%#C91508
Lighter +10%#981006
Darker −10%#360602
Darker −20%#050100
Darker −30%#000000
Darker −40%#000000
More saturated +25%#6B0800
Less saturated −25%#5A1611

Channel breakdown

R103
G11
B4
Red103 (40.4%)
Green11 (4.3%)
Blue4 (1.6%)
Hue4.24°
Saturation (HSL)92.52%
Lightness20.98%
Dominant channelRed
Hex per channelR 67 · G 0B · B 04

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Every value on this page was computed from “670b04” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.