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Recognised as Colour

#681B3E

  • #681B3E
  • Red
  • Dark
  • Nearest: Pale violetred

#681B3E is a red with RGB values 104, 27, 62 and HSL 333°, 59%, 26%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Pale violetred.

Colour values

#681B3E#681B3E
HEX#681B3E
RGBrgb(104, 27, 62)
RGB (0–1)0.4078, 0.1059, 0.2431
RGB percentages40.8%, 10.6%, 24.3%
HSLhsl(332.7, 58.8%, 25.7%)
HSV / HSBhsv(332.7, 74%, 40.8%)
CMYK0%, 74%, 40.4%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,822,718
CSS custom property--colour: #681B3E;

Brightness & contrast

Relative luminance0.04075WCAG 2.x, 0 is black and 1 is white
Perceived brightness64 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.57:1
Contrast with white11.57:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#97E4C1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A303Fno red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#3F3E3Cno green cones; the most common form, about 1% of men; ΔE 37.5 from the original
Tritanopia#71132Ano blue cones; rare, and affects men and women equally; ΔE 14.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.57:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Pale violetred · ΔE 37.7Brown · ΔE 38Indian red · ΔE 39.3Purple · ΔE 40.6Dark slateblue · ΔE 41.5Medium violet red · ΔE 41.6
Nearest named CSS colourPale violetred (#DB7093)ΔE 37.7, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B6845
Analogous#681B64, #681F1B
Triadic#3E681B, #1B3E68
Split complementary#1B681F, #1B6468
Tetradic#64681B, #1B6845, #1F1B68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DB74A3
Lighter +30%#D04C88
Lighter +20%#B9306E
Lighter +10%#902656
Darker −10%#401026
Darker −20%#17060E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#780B3D
Less saturated −25%#582B3F

Channel breakdown

R104
G27
B62
Red104 (40.8%)
Green27 (10.6%)
Blue62 (24.3%)
Hue332.73°
Saturation (HSL)58.78%
Lightness25.69%
Dominant channelRed
Hex per channelR 68 · G 1B · B 3E

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Every value on this page was computed from “681b3e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.