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Recognised as Colour

#683A30

  • #683A30
  • Red
  • Dark
  • Nearest: Sienna

#683A30 is a red with RGB values 104, 58, 48 and HSL 11°, 37%, 30%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#683A30#683A30
HEX#683A30
RGBrgb(104, 58, 48)
RGB (0–1)0.4078, 0.2275, 0.1882
RGB percentages40.8%, 22.7%, 18.8%
HSLhsl(10.7, 36.8%, 29.8%)
HSV / HSBhsv(10.7, 53.8%, 40.8%)
CMYK0%, 44.2%, 53.8%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,830,640
CSS custom property--colour: #683A30;

Brightness & contrast

Relative luminance0.06183WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.39:1
Contrast with white9.39:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#97C5CF

Colour vision & accessibility

Protanopia#45402Fno red cones; affects about 1% of men; ΔE 20.7 from the original
Deuteranopia#504A2Fno green cones; the most common form, about 1% of men; ΔE 21.4 from the original
Tritanopia#713338no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.39:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 26.89, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#305E68
Analogous#683042, #685630
Triadic#30683A, #3A3068
Split complementary#306856, #304268
Tetradic#426830, #305E68, #563068

Tints, shades & saturation

Lighter +40%#CEA096
Lighter +30%#BE8073
Lighter +20%#AE6150
Lighter +10%#8B4D40
Darker −10%#452720
Darker −20%#221310
Darker −30%#000000
Darker −40%#000000
More saturated +25%#7B2E1D
Less saturated −25%#554643

Channel breakdown

R104
G58
B48
Red104 (40.8%)
Green58 (22.7%)
Blue48 (18.8%)
Hue10.71°
Saturation (HSL)36.84%
Lightness29.8%
Dominant channelRed
Hex per channelR 68 · G 3A · B 30

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Every value on this page was computed from “683a30” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.