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Recognised as Colour

#2B1719

  • #2B1719
  • Red
  • Dark
  • Nearest: Black

#2B1719 is a red with RGB values 43, 23, 25 and HSL 354°, 30%, 13%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2B1719#2B1719
HEX#2B1719
RGBrgb(43, 23, 25)
RGB (0–1)0.1686, 0.0902, 0.098
RGB percentages16.9%, 9%, 9.8%
HSLhsl(354, 30.3%, 12.9%)
HSV / HSBhsv(354, 46.5%, 16.9%)
CMYK0%, 46.5%, 41.9%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,823,961
CSS custom property--colour: #2B1719;

Brightness & contrast

Relative luminance0.01197WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.94:1
Contrast with white16.94:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#D4E8E6

Colour vision & accessibility

Protanopia#1B1A19no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#1F1E19no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#2F1518no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.94:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 15.11, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#172B29
Analogous#2B1723, #2B1F17
Triadic#192B17, #17192B
Split complementary#172B1F, #17232B
Tetradic#232B17, #172B29, #1F172B

Tints, shades & saturation

Lighter +40%#AB636A
Lighter +30%#8F4C53
Lighter +20%#6D3B40
Lighter +10%#4C292C
Darker −10%#0A0506
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#330F12
Less saturated −25%#231F20

Channel breakdown

R43
G23
B25
Red43 (16.9%)
Green23 (9%)
Blue25 (9.8%)
Hue354°
Saturation (HSL)30.3%
Lightness12.94%
Dominant channelRed
Hex per channelR 2B · G 17 · B 19

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Every value on this page was computed from “2b1719” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.