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Colour

#005BD3

  • #005BD3
  • Blue
  • Dark
  • Nearest: Royal blue

#005BD3 is a blue with RGB values 0, 91, 211 and HSL 214°, 100%, 41%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#005BD3#005BD3
HEX#005BD3
RGBrgb(0, 91, 211)
RGB (0–1)0, 0.3569, 0.8275
RGB percentages0%, 35.7%, 82.7%
HSLhsl(214.1, 100%, 41.4%)
HSV / HSBhsv(214.1, 100%, 82.7%)
CMYK100%, 56.9%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,507
CSS custom property--colour: #005BD3;

Brightness & contrast

Relative luminance0.12185WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.11:1
Contrast with white6.11:1WCAG normal text: AA
Contrast with black3.44:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#FFA42C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006BD7no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#005AD1no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#007A8Eno blue cones; rare, and affects men and women equally; ΔE 67.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.11:1WCAG large text: AAA
Contrast with black, large text3.44:1WCAG large text: AA

Named colours

Royal blue · ΔE 6.8Slate blue · ΔE 15.1Medium slateblue · ΔE 19.2Dodgerblue · ΔE 23.9Medium purple · ΔE 24.9Dark slateblue · ΔE 27.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.83, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D37800
Analogous#00C5D3, #0E00D3
Triadic#D3005B, #5BD300
Split complementary#D30F00, #C4D300
Tetradic#D300C5, #D37800, #00D30F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0C9FF
Lighter +30%#6DACFF
Lighter +20%#3A8FFF
Lighter +10%#0772FF
Darker −10%#0045A0
Darker −20%#002F6D
Darker −30%#00193A
Darker −40%#000307
More saturated +25%#005BD3
Less saturated −25%#1A5FB9

Channel breakdown

R0
G91
B211
Red0 (0%)
Green91 (35.7%)
Blue211 (82.7%)
Hue214.12°
Saturation (HSL)100%
Lightness41.37%
Dominant channelBlue
Hex per channelR 00 · G 5B · B D3

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Every value on this page was computed from “005bd3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.