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Recognised as Colour

#2B1A46

  • #2B1A46
  • Violet
  • Dark
  • Nearest: Dark slateblue

#2B1A46 is a violet with RGB values 43, 26, 70 and HSL 263°, 46%, 19%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2B1A46#2B1A46
HEX#2B1A46
RGBrgb(43, 26, 70)
RGB (0–1)0.1686, 0.102, 0.2745
RGB percentages16.9%, 10.2%, 27.5%
HSLhsl(263.2, 45.8%, 18.8%)
HSV / HSBhsv(263.2, 62.9%, 27.5%)
CMYK38.6%, 62.9%, 0%, 72.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,824,774
CSS custom property--colour: #2B1A46;

Brightness & contrast

Relative luminance0.01695WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.68:1
Contrast with white15.68:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#D4E5B9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#072347no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#0C2345no green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#25232Dno blue cones; rare, and affects men and women equally; ΔE 24.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.68:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.2Midnight blue · ΔE 27.7Black · ΔE 34.5Rebecca purple · ΔE 37.5Dark slate grey · ΔE 41.6Indigo · ΔE 43.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.16, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#35461A
Analogous#1A1F46, #411A46
Triadic#462B1A, #1A462B
Split complementary#46411A, #1F461A
Tetradic#461A1F, #35461A, #1A4641

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B66C6
Lighter +30%#7043B6
Lighter +20%#593690
Lighter +10%#42286B
Darker −10%#140C21
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#280E52
Less saturated −25%#2E263A

Channel breakdown

R43
G26
B70
Red43 (16.9%)
Green26 (10.2%)
Blue70 (27.5%)
Hue263.18°
Saturation (HSL)45.83%
Lightness18.82%
Dominant channelBlue
Hex per channelR 2B · G 1A · B 46

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Every value on this page was computed from “2b1a46” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.