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Recognised as Colour

#515C6B

  • #515C6B
  • Blue
  • Dark
  • Nearest: Dim grey

#515C6B is a blue with RGB values 81, 92, 107 and HSL 215°, 14%, 37%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#515C6B#515C6B
HEX#515C6B
RGBrgb(81, 92, 107)
RGB (0–1)0.3176, 0.3608, 0.4196
RGB percentages31.8%, 36.1%, 42%
HSLhsl(214.6, 13.8%, 36.9%)
HSV / HSBhsv(214.6, 24.3%, 42%)
CMYK24.3%, 14%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,332,075
CSS custom property--colour: #515C6B;

Brightness & contrast

Relative luminance0.10465WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.79:1
Contrast with white6.79:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#AEA394

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#575C6Cno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#545A6Bno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#4A5F61no blue cones; rare, and affects men and women equally; ΔE 9.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.79:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Dim grey · ΔE 11.5Slate grey · ΔE 14.3Dark slate grey · ΔE 14.8Light slate grey · ΔE 17.4Gray · ΔE 18Steel blue · ΔE 26.4
Nearest named CSS colourDim grey (#696969)ΔE 11.52, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B6051
Analogous#51696B, #53516B
Triadic#6B515C, #5C6B51
Split complementary#6B5351, #696B51
Tetradic#6B5169, #6B6051, #516B53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCC3CC
Lighter +30%#9FA9B6
Lighter +20%#828FA0
Lighter +10%#677588
Darker −10%#3B434E
Darker −20%#252A31
Darker −30%#0F1114
Darker −40%#000000
More saturated +25%#3A5883
Less saturated −25%#5E5E5E

Channel breakdown

R81
G92
B107
Red81 (31.8%)
Green92 (36.1%)
Blue107 (42%)
Hue214.62°
Saturation (HSL)13.83%
Lightness36.86%
Dominant channelBlue
Hex per channelR 51 · G 5C · B 6B

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Every value on this page was computed from “515c6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.