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Recognised as Colour

#5271B5

  • #5271B5
  • Blue
  • Dark
  • Nearest: Steel blue

#5271B5 is a blue with RGB values 82, 113, 181 and HSL 221°, 40%, 52%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5271B5#5271B5
HEX#5271B5
RGBrgb(82, 113, 181)
RGB (0–1)0.3216, 0.4431, 0.7098
RGB percentages32.2%, 44.3%, 71%
HSLhsl(221.2, 40.1%, 51.6%)
HSV / HSBhsv(221.2, 54.7%, 71%)
CMYK54.7%, 37.6%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,403,061
CSS custom property--colour: #5271B5;

Brightness & contrast

Relative luminance0.1694WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.79:1
Contrast with white4.79:1WCAG normal text: AA
Contrast with black4.39:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#AD8E4A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5677B8no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#4A6EB4no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#1B808Ano blue cones; rare, and affects men and women equally; ΔE 41.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.79:1WCAG large text: AAA
Contrast with black, large text4.39:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.6Cornflower blue · ΔE 16.9Dark slateblue · ΔE 24.5Dodgerblue · ΔE 26.4Medium purple · ΔE 30.5Royal blue · ΔE 31.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B59652
Analogous#52A3B5, #6552B5
Triadic#B55271, #71B552
Split complementary#B56552, #A2B552
Tetradic#B552A2, #B59652, #52B565

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E6F2
Lighter +30%#BDC9E3
Lighter +20%#99ACD4
Lighter +10%#768EC4
Darker −10%#405A94
Darker −20%#304471
Darker −30%#212F4D
Darker −40%#121929
More saturated +25%#3365D4
Less saturated −25%#717D96

Channel breakdown

R82
G113
B181
Red82 (32.2%)
Green113 (44.3%)
Blue181 (71%)
Hue221.21°
Saturation (HSL)40.08%
Lightness51.57%
Dominant channelBlue
Hex per channelR 52 · G 71 · B B5

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Every value on this page was computed from “5271b5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.