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Colour

#0315C9

  • #0315C9
  • Blue
  • Dark
  • Nearest: Medium blue

#0315C9 is a blue with RGB values 3, 21, 201 and HSL 235°, 97%, 40%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0315C9#0315C9
HEX#0315C9
RGBrgb(3, 21, 201)
RGB (0–1)0.0118, 0.0824, 0.7882
RGB percentages1.2%, 8.2%, 78.8%
HSLhsl(234.5, 97.1%, 40%)
HSV / HSBhsv(234.5, 98.5%, 78.8%)
CMYK98.5%, 89.6%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer202,185
CSS custom property--colour: #0315C9;

Brightness & contrast

Relative luminance0.04773WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.74:1
Contrast with white10.74:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#FCEA36

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048CEno red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#0033C6no green cones; the most common form, about 1% of men; ΔE 18.3 from the original
Tritanopia#005676no blue cones; rare, and affects men and women equally; ΔE 95 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.74:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.4Blue violet · ΔE 22.2Dark blue · ΔE 24.3Dark violet · ΔE 26.4Blue · ΔE 28Navy · ΔE 29.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.41, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C9B703
Analogous#0378C9, #5403C9
Triadic#C90315, #15C903
Split complementary#C95403, #78C903
Tetradic#C90378, #C9B703, #03C954

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA4FE
Lighter +30%#6876FD
Lighter +20%#3648FC
Lighter +10%#041AFB
Darker −10%#021097
Darker −20%#020B65
Darker −30%#010532
Darker −40%#000000
More saturated +25%#0013CC
Less saturated −25%#1C2AB0

Channel breakdown

R3
G21
B201
Red3 (1.2%)
Green21 (8.2%)
Blue201 (78.8%)
Hue234.55°
Saturation (HSL)97.06%
Lightness40%
Dominant channelBlue
Hex per channelR 03 · G 15 · B C9

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Every value on this page was computed from “0315c9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.