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Recognised as Colour

#2B1516

  • #2B1516
  • Red
  • Dark
  • Nearest: Black

#2B1516 is a red with RGB values 43, 21, 22 and HSL 357°, 34%, 13%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2B1516#2B1516
HEX#2B1516
RGBrgb(43, 21, 22)
RGB (0–1)0.1686, 0.0824, 0.0863
RGB percentages16.9%, 8.2%, 8.6%
HSLhsl(357.3, 34.4%, 12.5%)
HSV / HSBhsv(357.3, 51.2%, 16.9%)
CMYK0%, 51.2%, 48.8%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,823,446
CSS custom property--colour: #2B1516;

Brightness & contrast

Relative luminance0.01108WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.19:1
Contrast with white17.19:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#D4EAE9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#191916no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#1F1D16no green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#2F1215no blue cones; rare, and affects men and women equally; ΔE 3.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.19:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Black · ΔE 15.6Dark slate grey · ΔE 32.4Dim grey · ΔE 36.6Gray · ΔE 45.4Slate grey · ΔE 47.4Saddle brown · ΔE 48.4
Nearest named CSS colourBlack (#000000)ΔE 15.61, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#152B2A
Analogous#2B1521, #2B1F15
Triadic#162B15, #15162B
Split complementary#152B1F, #15212B
Tetradic#212B15, #152B2A, #1F152B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B05C60
Lighter +30%#92474B
Lighter +20%#703639
Lighter +10%#4D2628
Darker −10%#090404
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#330D0F
Less saturated −25%#231D1D

Channel breakdown

R43
G21
B22
Red43 (16.9%)
Green21 (8.2%)
Blue22 (8.6%)
Hue357.27°
Saturation (HSL)34.38%
Lightness12.55%
Dominant channelRed
Hex per channelR 2B · G 15 · B 16

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Every value on this page was computed from “2b1516” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.