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Recognised as Colour

#0053A0

  • #0053A0
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0053A0 is a blue with RGB values 0, 83, 160 and HSL 209°, 100%, 31%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0053A0#0053A0
HEX#0053A0
RGBrgb(0, 83, 160)
RGB (0–1)0, 0.3255, 0.6275
RGB percentages0%, 32.5%, 62.7%
HSLhsl(208.9, 100%, 31.4%)
HSV / HSBhsv(208.9, 100%, 62.7%)
CMYK100%, 48.1%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,408
CSS custom property--colour: #0053A0;

Brightness & contrast

Relative luminance0.08725WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.65:1
Contrast with white7.65:1WCAG normal text: AAA
Contrast with black2.74:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#FFAC5F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#265AA3no red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#004D9Fno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#006671no blue cones; rare, and affects men and women equally; ΔE 46 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.65:1WCAG large text: AAA
Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.8Cornflower blue · ΔE 26.5Steel blue · ΔE 26.8Royal blue · ΔE 27.2Dodgerblue · ΔE 28.7Midnight blue · ΔE 29.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A04D00
Analogous#00A09D, #0003A0
Triadic#A00053, #53A000
Split complementary#A00003, #A09D00
Tetradic#9D00A0, #A04D00, #03A000

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6DB9FF
Lighter +30%#3AA0FF
Lighter +20%#0788FF
Lighter +10%#006DD3
Darker −10%#00396D
Darker −20%#001E3A
Darker −30%#000407
Darker −40%#000000
More saturated +25%#0053A0
Less saturated −25%#14528C

Channel breakdown

R0
G83
B160
Red0 (0%)
Green83 (32.5%)
Blue160 (62.7%)
Hue208.88°
Saturation (HSL)100%
Lightness31.37%
Dominant channelBlue
Hex per channelR 00 · G 53 · B A0

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Every value on this page was computed from “0053a0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.