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Recognised as Colour

#B3481E

  • #B3481E
  • Orange
  • Dark
  • Nearest: Sienna

#B3481E is a orange with RGB values 179, 72, 30 and HSL 17°, 71%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B3481E#B3481E
HEX#B3481E
RGBrgb(179, 72, 30)
RGB (0–1)0.702, 0.2824, 0.1176
RGB percentages70.2%, 28.2%, 11.8%
HSLhsl(16.9, 71.3%, 41%)
HSV / HSBhsv(16.9, 83.2%, 70.2%)
CMYK0%, 59.8%, 83.2%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,749,406
CSS custom property--colour: #B3481E;

Brightness & contrast

Relative luminance0.14312WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.44:1
Contrast with white5.44:1WCAG normal text: AA
Contrast with black3.86:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#4CB7E1

Colour vision & accessibility

Protanopia#665B17no red cones; affects about 1% of men; ΔE 46.2 from the original
Deuteranopia#81731Ano green cones; the most common form, about 1% of men; ΔE 46.2 from the original
Tritanopia#C52E40no blue cones; rare, and affects men and women equally; ΔE 25.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.44:1WCAG large text: AAA
Contrast with black, large text3.86:1WCAG large text: AA

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 15.34, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1E89B3
Analogous#B31E3F, #B3931E
Triadic#1EB348, #481EB3
Split complementary#1EB393, #1E3EB3
Tetradic#3EB31E, #1E89B3, #931EB3

Tints, shades & saturation

Lighter +40%#F1BFAC
Lighter +30%#EA9E80
Lighter +20%#E27D55
Lighter +10%#DB5B29
Darker −10%#873617
Darker −20%#5C250F
Darker −30%#301308
Darker −40%#040201
More saturated +25%#CD3D04
Less saturated −25%#995338

Channel breakdown

R179
G72
B30
Red179 (70.2%)
Green72 (28.2%)
Blue30 (11.8%)
Hue16.91°
Saturation (HSL)71.29%
Lightness40.98%
Dominant channelRed
Hex per channelR B3 · G 48 · B 1E

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Every value on this page was computed from “b3481e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.