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Colour

#671C2D

  • #671C2D
  • Red
  • Dark
  • Nearest: Brown

#671C2D is a red with RGB values 103, 28, 45 and HSL 346°, 57%, 26%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#671C2D#671C2D
HEX#671C2D
RGBrgb(103, 28, 45)
RGB (0–1)0.4039, 0.1098, 0.1765
RGB percentages40.4%, 11%, 17.6%
HSLhsl(346.4, 57.3%, 25.7%)
HSV / HSBhsv(346.4, 72.8%, 40.4%)
CMYK0%, 72.8%, 56.3%, 59.6%naive device-independent conversion; real print needs an ICC profile
24-bit integer6,757,421
CSS custom property--colour: #671C2D;

Brightness & contrast

Relative luminance0.03904WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.79:1
Contrast with white11.79:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#98E3D2

Colour vision & accessibility

Protanopia#2E2E2Dno red cones; affects about 1% of men; ΔE 36 from the original
Deuteranopia#423D2Bno green cones; the most common form, about 1% of men; ΔE 36.1 from the original
Tritanopia#710D23no blue cones; rare, and affects men and women equally; ΔE 10.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.79:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 30.46, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1C6756
Analogous#671C53, #67301C
Triadic#2D671C, #1C2D67
Split complementary#1C6730, #1C5367
Tetradic#53671C, #1C6756, #301C67

Tints, shades & saturation

Lighter +40%#DA758C
Lighter +30%#CF4D6B
Lighter +20%#B73250
Lighter +10%#8F273F
Darker −10%#3F111B
Darker −20%#17060A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#770C24
Less saturated −25%#572C36

Channel breakdown

R103
G28
B45
Red103 (40.4%)
Green28 (11%)
Blue45 (17.6%)
Hue346.4°
Saturation (HSL)57.25%
Lightness25.69%
Dominant channelRed
Hex per channelR 67 · G 1C · B 2D

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Every value on this page was computed from “671c2d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.