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Recognised as Colour

#583A11

  • #583A11
  • Orange
  • Dark
  • Nearest: Saddle brown

#583A11 is a orange with RGB values 88, 58, 17 and HSL 35°, 68%, 21%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#583A11#583A11
HEX#583A11
RGBrgb(88, 58, 17)
RGB (0–1)0.3451, 0.2275, 0.0667
RGB percentages34.5%, 22.7%, 6.7%
HSLhsl(34.6, 67.6%, 20.6%)
HSV / HSBhsv(34.6, 80.7%, 34.5%)
CMYK0%, 34.1%, 80.7%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,782,033
CSS custom property--colour: #583A11;

Brightness & contrast

Relative luminance0.05141WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.35:1
Contrast with white10.35:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#A7C5EE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#443C0Bno red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#4B4312no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#613332no blue cones; rare, and affects men and women equally; ΔE 22.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.35:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 23.2Sienna · ΔE 26.9Dark olivegreen · ΔE 31.8Dim grey · ΔE 35.4Dark slate grey · ΔE 39.5Maroon · ΔE 39.9
Nearest named CSS colourSaddle brown (#8B4513)ΔE 23.21, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#112F58
Analogous#581711, #525811
Triadic#11583A, #3A1158
Split complementary#115258, #171158
Tetradic#115817, #112F58, #581152

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEA557
Lighter +30%#D68E2C
Lighter +20%#AD7222
Lighter +10%#835619
Darker −10%#2D1E09
Darker −20%#030200
Darker −30%#000000
Darker −40%#000000
More saturated +25%#653C04
Less saturated −25%#4B381E

Channel breakdown

R88
G58
B17
Red88 (34.5%)
Green58 (22.7%)
Blue17 (6.7%)
Hue34.65°
Saturation (HSL)67.62%
Lightness20.59%
Dominant channelRed
Hex per channelR 58 · G 3A · B 11

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Every value on this page was computed from “583a11” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.