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Recognised as Colour

#5179BF

  • #5179BF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5179BF is a blue with RGB values 81, 121, 191 and HSL 218°, 46%, 53%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5179BF#5179BF
HEX#5179BF
RGBrgb(81, 121, 191)
RGB (0–1)0.3176, 0.4745, 0.749
RGB percentages31.8%, 47.5%, 74.9%
HSLhsl(218.2, 46.2%, 53.3%)
HSV / HSBhsv(218.2, 57.6%, 74.9%)
CMYK57.6%, 36.6%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,339,583
CSS custom property--colour: #5179BF;

Brightness & contrast

Relative luminance0.19186WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.84:1
Contrast with white4.34:1WCAG normal text: Fail
Contrast with black4.84:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#AE8640

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C7FC2no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#4E75BEno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#008993no blue cones; rare, and affects men and women equally; ΔE 43.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.34:1WCAG large text: AA
Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14Steel blue · ΔE 14.3Dodgerblue · ΔE 24.2Dark slateblue · ΔE 27.6Royal blue · ΔE 31.1Medium purple · ΔE 31.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF9751
Analogous#51B0BF, #6051BF
Triadic#BF5179, #79BF51
Split complementary#BF6051, #B0BF51
Tetradic#BF51B0, #BF9751, #51BF60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6ECF6
Lighter +30%#C1CFE8
Lighter +20%#9CB2DA
Lighter +10%#7696CD
Darker −10%#3B61A2
Darker −20%#2E4A7C
Darker −30%#203457
Darker −40%#121E32
More saturated +25%#3371DD
Less saturated −25%#6F81A1

Channel breakdown

R81
G121
B191
Red81 (31.8%)
Green121 (47.5%)
Blue191 (74.9%)
Hue218.18°
Saturation (HSL)46.22%
Lightness53.33%
Dominant channelBlue
Hex per channelR 51 · G 79 · B BF

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Every value on this page was computed from “5179bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.