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Recognised as Colour

#313C96

  • #313C96
  • Blue
  • Dark
  • Nearest: Dark slateblue

#313C96 is a blue with RGB values 49, 60, 150 and HSL 233°, 51%, 39%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#313C96#313C96
HEX#313C96
RGBrgb(49, 60, 150)
RGB (0–1)0.1922, 0.2353, 0.5882
RGB percentages19.2%, 23.5%, 58.8%
HSLhsl(233.5, 50.8%, 39%)
HSV / HSBhsv(233.5, 67.3%, 58.8%)
CMYK67.3%, 60%, 0%, 41.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,226,774
CSS custom property--colour: #313C96;

Brightness & contrast

Relative luminance0.06087WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.47:1
Contrast with white9.47:1WCAG normal text: AAA
Contrast with black2.22:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#CEC369

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004A99no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#004194no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#005263no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.47:1WCAG large text: AAA
Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.9Midnight blue · ΔE 15Rebecca purple · ΔE 17.7Slate blue · ΔE 19.9Royal blue · ΔE 23.2Indigo · ΔE 27.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.86, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#968B31
Analogous#316F96, #593196
Triadic#96313C, #3C9631
Split complementary#965931, #6F9631
Tetradic#96316F, #968B31, #319659

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEB4E5
Lighter +30%#8891D8
Lighter +20%#616DCC
Lighter +10%#3E4BBC
Darker −10%#242D70
Darker −20%#181D49
Darker −30%#0B0E23
Darker −40%#000000
More saturated +25%#1829AF
Less saturated −25%#4A4F7D

Channel breakdown

R49
G60
B150
Red49 (19.2%)
Green60 (23.5%)
Blue150 (58.8%)
Hue233.47°
Saturation (HSL)50.75%
Lightness39.02%
Dominant channelBlue
Hex per channelR 31 · G 3C · B 96

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Every value on this page was computed from “313c96” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.