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Recognised as Colour

#2A2138

  • #2A2138
  • Violet
  • Dark
  • Nearest: Black

#2A2138 is a violet with RGB values 42, 33, 56 and HSL 263°, 26%, 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

#2A2138#2A2138
HEX#2A2138
RGBrgb(42, 33, 56)
RGB (0–1)0.1647, 0.1294, 0.2196
RGB percentages16.5%, 12.9%, 22%
HSLhsl(263.5, 25.8%, 17.5%)
HSV / HSBhsv(263.5, 41.1%, 22%)
CMYK25%, 41.1%, 0%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,761,016
CSS custom property--colour: #2A2138;

Brightness & contrast

Relative luminance0.01865WCAG 2.x, 0 is black and 1 is white
Perceived brightness39 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.29:1
Contrast with white15.29:1WCAG normal text: AAA
Contrast with black1.37:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#D5DEC7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C2539no red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#1D2537no green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#282529no blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.29:1WCAG large text: AAA
Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Black · ΔE 22.3Dark slate grey · ΔE 29Dim grey · ΔE 34.1Dark slateblue · ΔE 36.6Slate grey · ΔE 40.1Midnight blue · ΔE 42.2
Nearest named CSS colourBlack (#000000)ΔE 22.35, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F3821
Analogous#212338, #362138
Triadic#382A21, #21382A
Split complementary#383521, #243821
Tetradic#382123, #2F3821, #213836

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8C76AF
Lighter +30%#725A98
Lighter +20%#5A4778
Lighter +10%#423458
Darker −10%#120E18
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#281643
Less saturated −25%#2C2C2D

Channel breakdown

R42
G33
B56
Red42 (16.5%)
Green33 (12.9%)
Blue56 (22%)
Hue263.48°
Saturation (HSL)25.84%
Lightness17.45%
Dominant channelBlue
Hex per channelR 2A · G 21 · B 38

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Every value on this page was computed from “2a2138” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.