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Colour

#504B7F

  • #504B7F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#504B7F is a blue with RGB values 80, 75, 127 and HSL 246°, 26%, 40%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#504B7F#504B7F
HEX#504B7F
RGBrgb(80, 75, 127)
RGB (0–1)0.3137, 0.2941, 0.498
RGB percentages31.4%, 29.4%, 49.8%
HSLhsl(245.8, 25.7%, 39.6%)
HSV / HSBhsv(245.8, 40.9%, 49.8%)
CMYK37%, 40.9%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,262,207
CSS custom property--colour: #504B7F;

Brightness & contrast

Relative luminance0.0827WCAG 2.x, 0 is black and 1 is white
Perceived brightness84 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.91:1
Contrast with white7.91:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#AFB480

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A5381no red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#3A507Eno green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#44555Fno blue cones; rare, and affects men and women equally; ΔE 28.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.91:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.5Steel blue · ΔE 26.7Slate grey · ΔE 31.2Midnight blue · ΔE 32.4Light slate grey · ΔE 32.9Rebecca purple · ΔE 33.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A7F4B
Analogous#4B607F, #6A4B7F
Triadic#7F504B, #4B7F50
Split complementary#7F6A4B, #607F4B
Tetradic#7F4B60, #7A7F4B, #4B7F6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0BED8
Lighter +30%#A19EC5
Lighter +20%#837DB3
Lighter +10%#645E9F
Darker −10%#3C385F
Darker −20%#28253F
Darker −30%#13121F
Darker −40%#000000
More saturated +25%#3C3298
Less saturated −25%#646466

Channel breakdown

R80
G75
B127
Red80 (31.4%)
Green75 (29.4%)
Blue127 (49.8%)
Hue245.77°
Saturation (HSL)25.74%
Lightness39.61%
Dominant channelBlue
Hex per channelR 50 · G 4B · B 7F

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Every value on this page was computed from “504b7f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.