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Colour

#E28A2B

  • #E28A2B
  • Orange
  • Dark
  • Nearest: Peru

#E28A2B is a orange with RGB values 226, 138, 43 and HSL 31°, 76%, 53%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Peru.

Colour values

#E28A2B#E28A2B
HEX#E28A2B
RGBrgb(226, 138, 43)
RGB (0–1)0.8863, 0.5412, 0.1686
RGB percentages88.6%, 54.1%, 16.9%
HSLhsl(31.1, 75.9%, 52.7%)
HSV / HSBhsv(31.1, 81%, 88.6%)
CMYK0%, 38.9%, 81%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,846,507
CSS custom property--colour: #E28A2B;

Brightness & contrast

Relative luminance0.3452WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.9:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.9:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#1D75D4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A5921Ano red cones; affects about 1% of men; ΔE 32.2 from the original
Deuteranopia#BAA72Cno green cones; the most common form, about 1% of men; ΔE 33.1 from the original
Tritanopia#F77678no blue cones; rare, and affects men and women equally; ΔE 44.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.9:1WCAG large text: AAA

Named colours

Peru · ΔE 14.5Chocolate · ΔE 14.6Sandy brown · ΔE 17Dark goldenrod · ΔE 18Dark orange · ΔE 18.2Goldenrod · ΔE 20.5
Nearest named CSS colourPeru (#CD853F)ΔE 14.55, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B83E2
Analogous#E22F2B, #DEE22B
Triadic#2BE28A, #8A2BE2
Split complementary#2BDFE2, #2E2BE2
Tetradic#2BE22F, #2B83E2, #E22BDE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBEDDE
Lighter +30%#F4D4B2
Lighter +20%#EEBC85
Lighter +10%#E8A358
Darker −10%#C0701A
Darker −20%#935614
Darker −30%#663C0E
Darker −40%#392108
More saturated +25%#FF8B0E
Less saturated −25%#C48949

Channel breakdown

R226
G138
B43
Red226 (88.6%)
Green138 (54.1%)
Blue43 (16.9%)
Hue31.15°
Saturation (HSL)75.93%
Lightness52.75%
Dominant channelRed
Hex per channelR E2 · G 8A · B 2B

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Every value on this page was computed from “e28a2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.