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Recognised as Colour

#5377AB

  • #5377AB
  • Blue
  • Dark
  • Nearest: Steel blue

#5377AB is a blue with RGB values 83, 119, 171 and HSL 215°, 35%, 50%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5377AB#5377AB
HEX#5377AB
RGBrgb(83, 119, 171)
RGB (0–1)0.3255, 0.4667, 0.6706
RGB percentages32.5%, 46.7%, 67.1%
HSLhsl(215.5, 34.6%, 49.8%)
HSV / HSBhsv(215.5, 51.5%, 67.1%)
CMYK51.5%, 30.4%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,470,123
CSS custom property--colour: #5377AB;

Brightness & contrast

Relative luminance0.17973WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.57:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#AC8854

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#637AADno red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#5872AAno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#288289no blue cones; rare, and affects men and women equally; ΔE 32.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.57:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.1Slate grey · ΔE 21.8Light slate grey · ΔE 22Cornflower blue · ΔE 22.7Dark slateblue · ΔE 31.9Gray · ΔE 32
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.12, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB8753
Analogous#53A3AB, #5B53AB
Triadic#AB5377, #77AB53
Split complementary#AB5B53, #A3AB53
Tetradic#AB53A3, #AB8753, #53AB5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCE3EE
Lighter +30%#BAC8DD
Lighter +20%#97ADCD
Lighter +10%#7592BC
Darker −10%#425F89
Darker −20%#324766
Darker −30%#212F44
Darker −40%#101722
More saturated +25%#3371CB
Less saturated −25%#737D8B

Channel breakdown

R83
G119
B171
Red83 (32.5%)
Green119 (46.7%)
Blue171 (67.1%)
Hue215.45°
Saturation (HSL)34.65%
Lightness49.8%
Dominant channelBlue
Hex per channelR 53 · G 77 · B AB

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Every value on this page was computed from “5377ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.