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Recognised as Colour

#8A3705

  • #8A3705
  • Orange
  • Dark
  • Nearest: Saddle brown

#8A3705 is a orange with RGB values 138, 55, 5 and HSL 23°, 93%, 28%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#8A3705#8A3705
HEX#8A3705
RGBrgb(138, 55, 5)
RGB (0–1)0.5412, 0.2157, 0.0196
RGB percentages54.1%, 21.6%, 2%
HSLhsl(22.6, 93%, 28%)
HSV / HSBhsv(22.6, 96.4%, 54.1%)
CMYK0%, 60.1%, 96.4%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,058,053
CSS custom property--colour: #8A3705;

Brightness & contrast

Relative luminance0.08147WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.99:1
Contrast with white7.99:1WCAG normal text: AAA
Contrast with black2.63:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#75C8FA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F4500no red cones; affects about 1% of men; ΔE 37.2 from the original
Deuteranopia#635800no green cones; the most common form, about 1% of men; ΔE 37.8 from the original
Tritanopia#98222Fno blue cones; rare, and affects men and women equally; ΔE 26 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.99:1WCAG large text: AAA
Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 7.9Sienna · ΔE 13Maroon · ΔE 18.1Dark red · ΔE 19Brown · ΔE 21.3Firebrick · ΔE 24
Nearest named CSS colourSaddle brown (#8B4513)ΔE 7.91, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#05588A
Analogous#8A0516, #8A7905
Triadic#058A37, #37058A
Split complementary#058A79, #05168A
Tetradic#168A05, #05588A, #79058A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F99B62
Lighter +30%#F87B30
Lighter +20%#EC5E09
Lighter +10%#BB4B07
Darker −10%#592303
Darker −20%#281001
Darker −30%#000000
Darker −40%#000000
More saturated +25%#8F3600
Less saturated −25%#783B17

Channel breakdown

R138
G55
B5
Red138 (54.1%)
Green55 (21.6%)
Blue5 (2%)
Hue22.56°
Saturation (HSL)93.01%
Lightness28.04%
Dominant channelRed
Hex per channelR 8A · G 37 · B 05

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Every value on this page was computed from “8a3705” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.