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Recognised as Colour

#5176AB

  • #5176AB
  • Blue
  • Dark
  • Nearest: Steel blue

#5176AB is a blue with RGB values 81, 118, 171 and HSL 215°, 36%, 49%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5176AB#5176AB
HEX#5176AB
RGBrgb(81, 118, 171)
RGB (0–1)0.3176, 0.4627, 0.6706
RGB percentages31.8%, 46.3%, 67.1%
HSLhsl(215.3, 35.7%, 49.4%)
HSV / HSBhsv(215.3, 52.6%, 67.1%)
CMYK52.6%, 31%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,338,795
CSS custom property--colour: #5176AB;

Brightness & contrast

Relative luminance0.17646WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.64:1
Contrast with white4.64:1WCAG normal text: AA
Contrast with black4.53:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#AE8954

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6179ADno red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#5671AAno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#238289no blue cones; rare, and affects men and women equally; ΔE 33.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.64:1WCAG large text: AAA
Contrast with black, large text4.53:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.4Cornflower blue · ΔE 22.4Slate grey · ΔE 22.5Light slate grey · ΔE 22.7Dark slateblue · ΔE 31.4Deep skyblue · ΔE 32.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.39, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB8651
Analogous#51A3AB, #5951AB
Triadic#AB5176, #76AB51
Split complementary#AB5951, #A3AB51
Tetradic#AB51A3, #AB8651, #51AB59

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE2EE
Lighter +30%#B8C7DD
Lighter +20%#95ACCD
Lighter +10%#7391BC
Darker −10%#415E88
Darker −20%#304666
Darker −30%#202E43
Darker −40%#0F1621
More saturated +25%#3170CB
Less saturated −25%#717C8B

Channel breakdown

R81
G118
B171
Red81 (31.8%)
Green118 (46.3%)
Blue171 (67.1%)
Hue215.33°
Saturation (HSL)35.71%
Lightness49.41%
Dominant channelBlue
Hex per channelR 51 · G 76 · B AB

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Every value on this page was computed from “5176ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.