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Colour

#504F79

  • #504F79
  • Blue
  • Dark
  • Nearest: Dark slateblue

#504F79 is a blue with RGB values 80, 79, 121 and HSL 241°, 21%, 39%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#504F79#504F79
HEX#504F79
RGBrgb(80, 79, 121)
RGB (0–1)0.3137, 0.3098, 0.4745
RGB percentages31.4%, 31%, 47.5%
HSLhsl(241.4, 21%, 39.2%)
HSV / HSBhsv(241.4, 34.7%, 47.5%)
CMYK33.9%, 34.7%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,263,225
CSS custom property--colour: #504F79;

Brightness & contrast

Relative luminance0.08678WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.68:1
Contrast with white7.68:1WCAG normal text: AAA
Contrast with black2.74:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#AFB086

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#43547Bno red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#415278no green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#46575Eno blue cones; rare, and affects men and women equally; ΔE 23.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.68:1WCAG large text: AAA
Contrast with black, large text2.74:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.1Steel blue · ΔE 24.4Slate grey · ΔE 25.6Light slate grey · ΔE 27.6Dim grey · ΔE 27.7Dark slate grey · ΔE 30.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#78794F
Analogous#4F6379, #654F79
Triadic#79504F, #4F7950
Split complementary#79654F, #63794F
Tetradic#794F63, #78794F, #4F7965

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFBFD5
Lighter +30%#A1A0C1
Lighter +20%#8281AD
Lighter +10%#646398
Darker −10%#3C3B5A
Darker −20%#27273B
Darker −30%#13131C
Darker −40%#000000
More saturated +25%#383692
Less saturated −25%#646464

Channel breakdown

R80
G79
B121
Red80 (31.4%)
Green79 (31%)
Blue121 (47.5%)
Hue241.43°
Saturation (HSL)21%
Lightness39.22%
Dominant channelBlue
Hex per channelR 50 · G 4F · B 79

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Every value on this page was computed from “504f79” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.