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Recognised as Colour

#507DA0

  • #507DA0
  • Blue
  • Dark
  • Nearest: Steel blue

#507DA0 is a blue with RGB values 80, 125, 160 and HSL 206°, 33%, 47%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#507DA0#507DA0
HEX#507DA0
RGBrgb(80, 125, 160)
RGB (0–1)0.3137, 0.4902, 0.6275
RGB percentages31.4%, 49%, 62.7%
HSLhsl(206.3, 33.3%, 47.1%)
HSV / HSBhsv(206.3, 50%, 62.7%)
CMYK50%, 21.9%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,275,040
CSS custom property--colour: #507DA0;

Brightness & contrast

Relative luminance0.18911WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.78:1
Contrast with white4.39:1WCAG normal text: Fail
Contrast with black4.78:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#AF825F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E7DA2no red cones; affects about 1% of men; ΔE 9.3 from the original
Deuteranopia#63759Fno green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#298689no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.39:1WCAG large text: AA
Contrast with black, large text4.78:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9Slate grey · ΔE 13.5Light slate grey · ΔE 13.9Cadetblue · ΔE 24Gray · ΔE 24.3Dim grey · ΔE 24.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.98, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A07350
Analogous#50A09B, #5055A0
Triadic#A0507D, #7DA050
Split complementary#A05055, #A09B50
Tetradic#9B50A0, #A07350, #55A050

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3DFE9
Lighter +30%#B1C7D8
Lighter +20%#8FAFC7
Lighter +10%#6D96B6
Darker −10%#3F627E
Darker −20%#2E485C
Darker −30%#1D2D3A
Darker −40%#0C1318
More saturated +25%#3281BE
Less saturated −25%#6E7982

Channel breakdown

R80
G125
B160
Red80 (31.4%)
Green125 (49%)
Blue160 (62.7%)
Hue206.25°
Saturation (HSL)33.33%
Lightness47.06%
Dominant channelBlue
Hex per channelR 50 · G 7D · B A0

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Every value on this page was computed from “507da0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.