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Colour

#2B2353

  • #2B2353
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2B2353 is a blue with RGB values 43, 35, 83 and HSL 250°, 41%, 23%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2B2353#2B2353
HEX#2B2353
RGBrgb(43, 35, 83)
RGB (0–1)0.1686, 0.1373, 0.3255
RGB percentages16.9%, 13.7%, 32.5%
HSLhsl(250, 40.7%, 23.1%)
HSV / HSBhsv(250, 57.8%, 32.5%)
CMYK48.2%, 57.8%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,827,091
CSS custom property--colour: #2B2353;

Brightness & contrast

Relative luminance0.0234WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.3:1
Contrast with white14.3:1WCAG normal text: AAA
Contrast with black1.47:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#D4DCAC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C2B55no red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#0C2952no green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#1F2D37no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.3:1WCAG large text: AAA
Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.2Midnight blue · ΔE 25.6Rebecca purple · ΔE 35.2Black · ΔE 37.5Dark slate grey · ΔE 40.8Steel blue · ΔE 41.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B5323
Analogous#233353, #432353
Triadic#532B23, #23532B
Split complementary#534323, #335323
Tetradic#532333, #4B5323, #235343

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#887BC7
Lighter +30%#6757B8
Lighter +20%#50419B
Lighter +10%#3E3277
Darker −10%#18142F
Darker −20%#06050B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#211462
Less saturated −25%#353244

Channel breakdown

R43
G35
B83
Red43 (16.9%)
Green35 (13.7%)
Blue83 (32.5%)
Hue250°
Saturation (HSL)40.68%
Lightness23.14%
Dominant channelBlue
Hex per channelR 2B · G 23 · B 53

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Every value on this page was computed from “2b2353” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.