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Colour

#0053B8

  • #0053B8
  • Blue
  • Dark
  • Nearest: Royal blue

#0053B8 is a blue with RGB values 0, 83, 184 and HSL 213°, 100%, 36%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0053B8#0053B8
HEX#0053B8
RGBrgb(0, 83, 184)
RGB (0–1)0, 0.3255, 0.7216
RGB percentages0%, 32.5%, 72.2%
HSLhsl(212.9, 100%, 36.1%)
HSV / HSBhsv(212.9, 100%, 72.2%)
CMYK100%, 54.9%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,432
CSS custom property--colour: #0053B8;

Brightness & contrast

Relative luminance0.09647WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.17:1
Contrast with white7.17:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#FFAC47

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FBCno red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#0050B6no green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#006C7Dno blue cones; rare, and affects men and women equally; ΔE 57.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.17:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14Slate blue · ΔE 18.3Dark slateblue · ΔE 19.1Dodgerblue · ΔE 24.6Medium purple · ΔE 26.2Midnight blue · ΔE 26.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B86500
Analogous#00AFB8, #0900B8
Triadic#B80053, #53B800
Split complementary#B80900, #AFB800
Tetradic#B800AF, #B86500, #00B809

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#85BCFF
Lighter +30%#52A0FF
Lighter +20%#1F84FF
Lighter +10%#006AEB
Darker −10%#003C85
Darker −20%#002552
Darker −30%#000E1F
Darker −40%#000000
More saturated +25%#0053B8
Less saturated −25%#1755A1

Channel breakdown

R0
G83
B184
Red0 (0%)
Green83 (32.5%)
Blue184 (72.2%)
Hue212.93°
Saturation (HSL)100%
Lightness36.08%
Dominant channelBlue
Hex per channelR 00 · G 53 · B B8

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Every value on this page was computed from “0053b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.