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Recognised as Colour

#2B335D

  • #2B335D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2B335D is a blue with RGB values 43, 51, 93 and HSL 230°, 37%, 27%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2B335D#2B335D
HEX#2B335D
RGBrgb(43, 51, 93)
RGB (0–1)0.1686, 0.2, 0.3647
RGB percentages16.9%, 20%, 36.5%
HSLhsl(230.4, 36.8%, 26.7%)
HSV / HSBhsv(230.4, 53.8%, 36.5%)
CMYK53.8%, 45.2%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,831,197
CSS custom property--colour: #2B335D;

Brightness & contrast

Relative luminance0.03672WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.11:1
Contrast with white12.11:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#D4CCA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#22385Fno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#1D345Cno green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#163C43no blue cones; rare, and affects men and women equally; ΔE 27.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.11:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.1Dark slate grey · ΔE 32.4Midnight blue · ΔE 32.6Steel blue · ΔE 33.6Dim grey · ΔE 35.6Black · ΔE 36
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D552B
Analogous#2B4C5D, #3C2B5D
Triadic#5D2B33, #335D2B
Split complementary#5D3C2B, #4C5D2B
Tetradic#5D2B4C, #5D552B, #2B5D3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8B95C9
Lighter +30%#6875B9
Lighter +20%#4B59A3
Lighter +10%#3B4680
Darker −10%#1B203A
Darker −20%#0B0D17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A276E
Less saturated −25%#3C3F4C

Channel breakdown

R43
G51
B93
Red43 (16.9%)
Green51 (20%)
Blue93 (36.5%)
Hue230.4°
Saturation (HSL)36.76%
Lightness26.67%
Dominant channelBlue
Hex per channelR 2B · G 33 · B 5D

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Every value on this page was computed from “2b335d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.