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Colour

#515BBE

  • #515BBE
  • Blue
  • Dark
  • Nearest: Slate blue

#515BBE is a blue with RGB values 81, 91, 190 and HSL 234°, 46%, 53%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#515BBE#515BBE
HEX#515BBE
RGBrgb(81, 91, 190)
RGB (0–1)0.3176, 0.3569, 0.7451
RGB percentages31.8%, 35.7%, 74.5%
HSLhsl(234.5, 45.6%, 53.1%)
HSV / HSBhsv(234.5, 57.4%, 74.5%)
CMYK57.4%, 52.1%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,331,902
CSS custom property--colour: #515BBE;

Brightness & contrast

Relative luminance0.12949WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.85:1
Contrast with white5.85:1WCAG normal text: AA
Contrast with black3.59:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#AEA441

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#236AC1no red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#0960BCno green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#0B7284no blue cones; rare, and affects men and women equally; ΔE 57.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.85:1WCAG large text: AAA
Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Slate blue · ΔE 11.6Royal blue · ΔE 12.9Dark slateblue · ΔE 16.4Medium purple · ΔE 17Rebecca purple · ΔE 20.9Medium slateblue · ΔE 21.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BEB451
Analogous#5191BE, #7E51BE
Triadic#BE515B, #5BBE51
Split complementary#BE7E51, #92BE51
Tetradic#BE5191, #BEB451, #51BE7E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6E7F5
Lighter +30%#C0C4E8
Lighter +20%#9BA1DA
Lighter +10%#767ECC
Darker −10%#3C45A0
Darker −20%#2E357B
Darker −30%#202556
Darker −40%#121531
More saturated +25%#3343DC
Less saturated −25%#6F73A0

Channel breakdown

R81
G91
B190
Red81 (31.8%)
Green91 (35.7%)
Blue190 (74.5%)
Hue234.5°
Saturation (HSL)45.61%
Lightness53.14%
Dominant channelBlue
Hex per channelR 51 · G 5B · B BE

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