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Recognised as Colour

#013497

  • #013497
  • Blue
  • Dark
  • Nearest: Midnight blue

#013497 is a blue with RGB values 1, 52, 151 and HSL 220°, 99%, 30%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#013497#013497
HEX#013497
RGBrgb(1, 52, 151)
RGB (0–1)0.0039, 0.2039, 0.5922
RGB percentages0.4%, 20.4%, 59.2%
HSLhsl(219.6, 98.7%, 29.8%)
HSV / HSBhsv(219.6, 99.3%, 59.2%)
CMYK99.3%, 65.6%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer78,999
CSS custom property--colour: #013497;

Brightness & contrast

Relative luminance0.04697WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.83:1
Contrast with white10.83:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#FECB68

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00449Ano red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#003795no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#004F60no blue cones; rare, and affects men and women equally; ΔE 59.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.83:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.6Dark slateblue · ΔE 16.5Rebecca purple · ΔE 20Slate blue · ΔE 21.3Royal blue · ΔE 23.3Navy · ΔE 24.9
Nearest named CSS colourMidnight blue (#191970)ΔE 13.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#976401
Analogous#017F97, #190197
Triadic#970134, #349701
Split complementary#971901, #7F9701
Tetradic#97017F, #976401, #019719

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#669AFE
Lighter +30%#3378FE
Lighter +20%#0257FC
Lighter +10%#0145CA
Darker −10%#012364
Darker −20%#001132
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003498
Less saturated −25%#143A84

Channel breakdown

R1
G52
B151
Red1 (0.4%)
Green52 (20.4%)
Blue151 (59.2%)
Hue219.6°
Saturation (HSL)98.68%
Lightness29.8%
Dominant channelBlue
Hex per channelR 01 · G 34 · B 97

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Every value on this page was computed from “hex 013497” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.