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Colour

#B13506

  • #B13506
  • Orange
  • Dark
  • Nearest: Firebrick

#B13506 is a orange with RGB values 177, 53, 6 and HSL 16°, 93%, 36%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B13506#B13506
HEX#B13506
RGBrgb(177, 53, 6)
RGB (0–1)0.6941, 0.2078, 0.0235
RGB percentages69.4%, 20.8%, 2.4%
HSLhsl(16.5, 93.4%, 35.9%)
HSV / HSBhsv(16.5, 96.6%, 69.4%)
CMYK0%, 70.1%, 96.6%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,613,446
CSS custom property--colour: #B13506;

Brightness & contrast

Relative luminance0.11906WCAG 2.x, 0 is black and 1 is white
Perceived brightness105 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.21:1
Contrast with white6.21:1WCAG normal text: AA
Contrast with black3.38:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#4ECAF9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B4F00no red cones; affects about 1% of men; ΔE 53 from the original
Deuteranopia#796B00no green cones; the most common form, about 1% of men; ΔE 53.4 from the original
Tritanopia#C4002Eno blue cones; rare, and affects men and women equally; ΔE 24.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.21:1WCAG large text: AAA
Contrast with black, large text3.38:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.4Dark red · ΔE 16.4Chocolate · ΔE 19.7Maroon · ΔE 20.2Brown · ΔE 20.8Tomato · ΔE 23.5
Nearest named CSS colourFirebrick (#B22222)ΔE 15.37, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0682B1
Analogous#B1062D, #B18B06
Triadic#06B135, #3506B1
Split complementary#06B18B, #062CB1
Tetradic#2CB106, #0682B1, #8A06B1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBA888
Lighter +30%#F98357
Lighter +20%#F85F25
Lighter +10%#E24408
Darker −10%#802604
Darker −20%#4E1703
Darker −30%#1D0901
Darker −40%#000000
More saturated +25%#B73200
Less saturated −25%#9A3F1D

Channel breakdown

R177
G53
B6
Red177 (69.4%)
Green53 (20.8%)
Blue6 (2.4%)
Hue16.49°
Saturation (HSL)93.44%
Lightness35.88%
Dominant channelRed
Hex per channelR B1 · G 35 · B 06

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Every value on this page was computed from “b13506” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.