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Recognised as Colour

#331CC0

  • #331CC0
  • Blue
  • Dark
  • Nearest: Medium blue

#331CC0 is a blue with RGB values 51, 28, 192 and HSL 248°, 75%, 43%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#331CC0#331CC0
HEX#331CC0
RGBrgb(51, 28, 192)
RGB (0–1)0.2, 0.1098, 0.7529
RGB percentages20%, 11%, 75.3%
HSLhsl(248.4, 74.5%, 43.1%)
HSV / HSBhsv(248.4, 85.4%, 75.3%)
CMYK73.4%, 85.4%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,349,696
CSS custom property--colour: #331CC0;

Brightness & contrast

Relative luminance0.0534WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.15:1
Contrast with white10.15:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#CCE33F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048C4no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#003ABDno green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#005372no blue cones; rare, and affects men and women equally; ΔE 87.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.15:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Medium blue · ΔE 15.8Dark blue · ΔE 18.2Blue violet · ΔE 19.6Navy · ΔE 23Dark violet · ΔE 24Dark orchid · ΔE 25.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 15.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A9C01C
Analogous#1C57C0, #851CC0
Triadic#C0331C, #1CC033
Split complementary#C0851C, #57C01C
Tetradic#C01C57, #A9C01C, #1CC085

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDB4F4
Lighter +30%#9687EE
Lighter +20%#6F5BE7
Lighter +10%#472EE1
Darker −10%#271693
Darker −20%#1B0F67
Darker −30%#10093A
Darker −40%#04020E
More saturated +25%#1F01DC
Less saturated −25%#4738A4

Channel breakdown

R51
G28
B192
Red51 (20%)
Green28 (11%)
Blue192 (75.3%)
Hue248.41°
Saturation (HSL)74.55%
Lightness43.14%
Dominant channelBlue
Hex per channelR 33 · G 1C · B C0

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Every value on this page was computed from “331cc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.