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Recognised as Colour

#515D9C

  • #515D9C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#515D9C is a blue with RGB values 81, 93, 156 and HSL 230°, 32%, 46%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#515D9C#515D9C
HEX#515D9C
RGBrgb(81, 93, 156)
RGB (0–1)0.3176, 0.3647, 0.6118
RGB percentages31.8%, 36.5%, 61.2%
HSLhsl(230.4, 31.6%, 46.5%)
HSV / HSBhsv(230.4, 48.1%, 61.2%)
CMYK48.1%, 40.4%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,332,380
CSS custom property--colour: #515D9C;

Brightness & contrast

Relative luminance0.11978WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.18:1
Contrast with white6.18:1WCAG normal text: AA
Contrast with black3.4:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#AEA263

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#45649Eno red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#3E5E9Bno green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#356A75no blue cones; rare, and affects men and women equally; ΔE 36.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.18:1WCAG large text: AAA
Contrast with black, large text3.4:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.7Steel blue · ΔE 20.9Cornflower blue · ΔE 25Medium purple · ΔE 30.9Slate grey · ΔE 31.8Slate blue · ΔE 32
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C9051
Analogous#51839C, #6A519C
Triadic#9C515D, #5D9C51
Split complementary#9C6A51, #839C51
Tetradic#9C5183, #9C9051, #519C6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D5E7
Lighter +30%#B0B6D6
Lighter +20%#8E97C5
Lighter +10%#6D78B3
Darker −10%#40497A
Darker −20%#2E3559
Darker −30%#1D2137
Darker −40%#0B0D16
More saturated +25%#3349BA
Less saturated −25%#6F717E

Channel breakdown

R81
G93
B156
Red81 (31.8%)
Green93 (36.5%)
Blue156 (61.2%)
Hue230.4°
Saturation (HSL)31.65%
Lightness46.47%
Dominant channelBlue
Hex per channelR 51 · G 5D · B 9C

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Every value on this page was computed from “515d9c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.