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Recognised as Colour

#0052DF

  • #0052DF
  • Blue
  • Dark
  • Nearest: Royal blue

#0052DF is a blue with RGB values 0, 82, 223 and HSL 218°, 100%, 44%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0052DF#0052DF
HEX#0052DF
RGBrgb(0, 82, 223)
RGB (0–1)0, 0.3216, 0.8745
RGB percentages0%, 32.2%, 87.5%
HSLhsl(217.9, 100%, 43.7%)
HSV / HSBhsv(217.9, 100%, 87.5%)
CMYK100%, 63.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,215
CSS custom property--colour: #0052DF;

Brightness & contrast

Relative luminance0.11362WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.42:1
Contrast with white6.42:1WCAG normal text: AA
Contrast with black3.27:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#FFAD20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068E4no red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#0055DCno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#007891no blue cones; rare, and affects men and women equally; ΔE 77.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.42:1WCAG large text: AAA
Contrast with black, large text3.27:1WCAG large text: AA

Named colours

Royal blue · ΔE 16.7Medium slateblue · ΔE 17.3Slate blue · ΔE 19.6Dark blue · ΔE 30.4Medium purple · ΔE 30.4Rebecca purple · ΔE 31.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF8D00
Analogous#00C2DF, #1E00DF
Triadic#DF0052, #52DF00
Split complementary#DF1E00, #C2DF00
Tetradic#DF00C1, #DF8D00, #00DF1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACCBFF
Lighter +30%#79AAFF
Lighter +20%#468AFF
Lighter +10%#136AFF
Darker −10%#003FAC
Darker −20%#002C79
Darker −30%#001A46
Darker −40%#000713
More saturated +25%#0052DF
Less saturated −25%#1C59C3

Channel breakdown

R0
G82
B223
Red0 (0%)
Green82 (32.2%)
Blue223 (87.5%)
Hue217.94°
Saturation (HSL)100%
Lightness43.73%
Dominant channelBlue
Hex per channelR 00 · G 52 · B DF

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Every value on this page was computed from “0052df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.