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Colour

#5B88FF

  • #5B88FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#5B88FF is a blue with RGB values 91, 136, 255 and HSL 224°, 100%, 68%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#5B88FF#5B88FF
HEX#5B88FF
RGBrgb(91, 136, 255)
RGB (0–1)0.3569, 0.5333, 1
RGB percentages35.7%, 53.3%, 100%
HSLhsl(223.5, 100%, 67.8%)
HSV / HSBhsv(223.5, 64.3%, 100%)
CMYK64.3%, 46.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,998,847
CSS custom property--colour: #5B88FF;

Brightness & contrast

Relative luminance0.27052WCAG 2.x, 0 is black and 1 is white
Perceived brightness144 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.41:1
Contrast with white3.28:1WCAG normal text: Fail
Contrast with black6.41:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#A47700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B96FFno red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#2987FDno green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#00A3B7no blue cones; rare, and affects men and women equally; ΔE 65.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.28:1WCAG large text: AA
Contrast with black, large text6.41:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11.5Royal blue · ΔE 12.3Cornflower blue · ΔE 19.1Medium slateblue · ΔE 20.9Slate blue · ΔE 20.9Medium purple · ΔE 21
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 11.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFD25B
Analogous#5BDAFF, #805BFF
Triadic#FF5B88, #88FF5B
Split complementary#FF805B, #DAFF5B
Tetradic#FF5BDA, #FFD25B, #5BFF80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F4F7FF
Lighter +20%#C1D2FF
Lighter +10%#8EADFF
Darker −10%#2863FF
Darker −20%#0043F4
Darker −30%#0035C1
Darker −40%#00278E
More saturated +25%#5B88FF
Less saturated −25%#7091EB

Channel breakdown

R91
G136
B255
Red91 (35.7%)
Green136 (53.3%)
Blue255 (100%)
Hue223.54°
Saturation (HSL)100%
Lightness67.84%
Dominant channelBlue
Hex per channelR 5B · G 88 · B FF

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Every value on this page was computed from “5b88ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.