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Colour

#5198FF

  • #5198FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#5198FF is a blue with RGB values 81, 152, 255 and HSL 216°, 100%, 66%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#5198FF#5198FF
HEX#5198FF
RGBrgb(81, 152, 255)
RGB (0–1)0.3176, 0.5961, 1
RGB percentages31.8%, 59.6%, 100%
HSLhsl(215.5, 100%, 65.9%)
HSV / HSBhsv(215.5, 68.2%, 100%)
CMYK68.2%, 40.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,347,583
CSS custom property--colour: #5198FF;

Brightness & contrast

Relative luminance0.31426WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.29:1
Contrast with white2.88:1WCAG normal text: Fail
Contrast with black7.29:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#AE6700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#68A1FFno red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#4C91FDno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00B0BFno blue cones; rare, and affects men and women equally; ΔE 57.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.88:1WCAG large text: Fail
Contrast with black, large text7.29:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.6Cornflower blue · ΔE 8.6Royal blue · ΔE 23.2Medium purple · ΔE 28.7Steel blue · ΔE 31.1Slate blue · ΔE 31.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.64, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB851
Analogous#51EFFF, #6151FF
Triadic#FF5198, #98FF51
Split complementary#FF6151, #EFFF51
Tetradic#FF51EF, #FFB851, #51FF61

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAF3FF
Lighter +20%#B7D4FF
Lighter +10%#84B6FF
Darker −10%#1E7AFF
Darker −20%#005FEA
Darker −30%#004BB7
Darker −40%#003684
More saturated +25%#5198FF
Less saturated −25%#679CE9

Channel breakdown

R81
G152
B255
Red81 (31.8%)
Green152 (59.6%)
Blue255 (100%)
Hue215.52°
Saturation (HSL)100%
Lightness65.88%
Dominant channelBlue
Hex per channelR 51 · G 98 · B FF

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Every value on this page was computed from “5198ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.