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Recognised as Colour

#3448BB

  • #3448BB
  • Blue
  • Dark
  • Nearest: Slate blue

#3448BB is a blue with RGB values 52, 72, 187 and HSL 231°, 56%, 47%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3448BB#3448BB
HEX#3448BB
RGBrgb(52, 72, 187)
RGB (0–1)0.2039, 0.2824, 0.7333
RGB percentages20.4%, 28.2%, 73.3%
HSLhsl(231.1, 56.5%, 46.9%)
HSV / HSBhsv(231.1, 72.2%, 73.3%)
CMYK72.2%, 61.5%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,426,491
CSS custom property--colour: #3448BB;

Brightness & contrast

Relative luminance0.08953WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.53:1
Contrast with white7.53:1WCAG normal text: AAA
Contrast with black2.79:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#CBB744

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BBFno red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#004EB9no green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#00657Ano blue cones; rare, and affects men and women equally; ΔE 65.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.53:1WCAG large text: AAA
Contrast with black, large text2.79:1WCAG large text: Fail

Named colours

Slate blue · ΔE 11.5Royal blue · ΔE 13.5Medium slateblue · ΔE 18.8Rebecca purple · ΔE 19.3Dark slateblue · ΔE 22.1Medium purple · ΔE 23.4
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBA734
Analogous#348CBB, #6334BB
Triadic#BB3448, #48BB34
Split complementary#BB6334, #8CBB34
Tetradic#BB348C, #BBA734, #34BB63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD0F0
Lighter +30%#A3ADE5
Lighter +20%#7B89DA
Lighter +10%#5365CF
Darker −10%#293993
Darker −20%#1E296B
Darker −30%#131A43
Darker −40%#080B1B
More saturated +25%#1633D9
Less saturated −25%#525D9D

Channel breakdown

R52
G72
B187
Red52 (20.4%)
Green72 (28.2%)
Blue187 (73.3%)
Hue231.11°
Saturation (HSL)56.49%
Lightness46.86%
Dominant channelBlue
Hex per channelR 34 · G 48 · B BB

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Every value on this page was computed from “3448bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.