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Recognised as Colour

#2A2137

  • #2A2137
  • Violet
  • Dark
  • Nearest: Black

#2A2137 is a violet with RGB values 42, 33, 55 and HSL 265°, 25%, 17%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2A2137#2A2137
HEX#2A2137
RGBrgb(42, 33, 55)
RGB (0–1)0.1647, 0.1294, 0.2157
RGB percentages16.5%, 12.9%, 21.6%
HSLhsl(264.5, 25%, 17.3%)
HSV / HSBhsv(264.5, 40%, 21.6%)
CMYK23.6%, 40%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,761,015
CSS custom property--colour: #2A2137;

Brightness & contrast

Relative luminance0.01856WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.32:1
Contrast with white15.32:1WCAG normal text: AAA
Contrast with black1.37:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#D5DEC8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C2538no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#1E2536no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#282429no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.32:1WCAG large text: AAA
Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Black · ΔE 21.8Dark slate grey · ΔE 28.6Dim grey · ΔE 33.8Dark slateblue · ΔE 37.2Slate grey · ΔE 40Gray · ΔE 42.1
Nearest named CSS colourBlack (#000000)ΔE 21.81, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E3721
Analogous#212337, #352137
Triadic#372A21, #21372A
Split complementary#373521, #233721
Tetradic#372123, #2E3721, #213735

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8D77AD
Lighter +30%#735A97
Lighter +20%#5B4777
Lighter +10%#423457
Darker −10%#120E17
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#281642
Less saturated −25%#2C2C2C

Channel breakdown

R42
G33
B55
Red42 (16.5%)
Green33 (12.9%)
Blue55 (21.6%)
Hue264.55°
Saturation (HSL)25%
Lightness17.25%
Dominant channelBlue
Hex per channelR 2A · G 21 · B 37

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Every value on this page was computed from “2a2137” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.