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Recognised as Colour

#323CBB

  • #323CBB
  • Blue
  • Dark
  • Nearest: Slate blue

#323CBB is a blue with RGB values 50, 60, 187 and HSL 236°, 58%, 46%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#323CBB#323CBB
HEX#323CBB
RGBrgb(50, 60, 187)
RGB (0–1)0.1961, 0.2353, 0.7333
RGB percentages19.6%, 23.5%, 73.3%
HSLhsl(235.6, 57.8%, 46.5%)
HSV / HSBhsv(235.6, 73.3%, 73.3%)
CMYK73.3%, 67.9%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,292,347
CSS custom property--colour: #323CBB;

Brightness & contrast

Relative luminance0.07498WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.4:1
Contrast with white8.4:1WCAG normal text: AAA
Contrast with black2.5:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#CDC344

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054BFno red cones; affects about 1% of men; ΔE 19.1 from the original
Deuteranopia#0047B9no green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#005E76no blue cones; rare, and affects men and women equally; ΔE 71.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.4:1WCAG large text: AAA
Contrast with black, large text2.5:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.2Medium slateblue · ΔE 19.5Royal blue · ΔE 20Rebecca purple · ΔE 20.9Dark blue · ΔE 21.3Navy · ΔE 21.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBB132
Analogous#3281BB, #6C32BB
Triadic#BB323C, #3CBB32
Split complementary#BB6C32, #81BB32
Tetradic#BB3281, #BBB132, #32BB6C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9CBF0
Lighter +30%#A0A5E6
Lighter +20%#787FDB
Lighter +10%#5059D0
Darker −10%#272F93
Darker −20%#1C226B
Darker −30%#121542
Darker −40%#07081A
More saturated +25%#1423D9
Less saturated −25%#50559D

Channel breakdown

R50
G60
B187
Red50 (19.6%)
Green60 (23.5%)
Blue187 (73.3%)
Hue235.62°
Saturation (HSL)57.81%
Lightness46.47%
Dominant channelBlue
Hex per channelR 32 · G 3C · B BB

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Every value on this page was computed from “323cbb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.