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Recognised as Colour

#E3931B

  • #E3931B
  • Orange
  • Dark
  • Nearest: Orange

#E3931B is a orange with RGB values 227, 147, 27 and HSL 36°, 79%, 50%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#E3931B#E3931B
HEX#E3931B
RGBrgb(227, 147, 27)
RGB (0–1)0.8902, 0.5765, 0.1059
RGB percentages89%, 57.6%, 10.6%
HSLhsl(36, 78.7%, 49.8%)
HSV / HSBhsv(36, 88.1%, 89%)
CMYK0%, 35.2%, 88.1%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,914,331
CSS custom property--colour: #E3931B;

Brightness & contrast

Relative luminance0.37277WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.46:1
Contrast with white2.48:1WCAG normal text: Fail
Contrast with black8.46:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#1C6CE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AE9900no red cones; affects about 1% of men; ΔE 27.5 from the original
Deuteranopia#C1AC1Fno green cones; the most common form, about 1% of men; ΔE 28.3 from the original
Tritanopia#F87F7Eno blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.48:1WCAG large text: Fail
Contrast with black, large text8.46:1WCAG large text: AAA

Named colours

Orange · ΔE 13.5Goldenrod · ΔE 13.8Dark goldenrod · ΔE 15.5Dark orange · ΔE 16.9Peru · ΔE 20.7Chocolate · ΔE 22
Nearest named CSS colourOrange (#FFA500)ΔE 13.54, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B6BE3
Analogous#E32F1B, #CFE31B
Triadic#1BE393, #931BE3
Split complementary#1BCFE3, #2F1BE3
Tetradic#1BE32F, #1B6BE3, #E31BCF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9E9D1
Lighter +30%#F4D4A3
Lighter +20%#EFBE75
Lighter +10%#E9A948
Darker −10%#B57516
Darker −20%#885810
Darker −30%#5A3A0B
Darker −40%#2D1D05
More saturated +25%#FE9800
Less saturated −25%#C38D3B

Channel breakdown

R227
G147
B27
Red227 (89%)
Green147 (57.6%)
Blue27 (10.6%)
Hue36°
Saturation (HSL)78.74%
Lightness49.8%
Dominant channelRed
Hex per channelR E3 · G 93 · B 1B

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Every value on this page was computed from “e3931b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.