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Recognised as Colour

#587FFD

  • #587FFD
  • Blue
  • Dark
  • Nearest: Royal blue

#587FFD is a blue with RGB values 88, 127, 253 and HSL 226°, 98%, 67%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#587FFD#587FFD
HEX#587FFD
RGBrgb(88, 127, 253)
RGB (0–1)0.3451, 0.498, 0.9922
RGB percentages34.5%, 49.8%, 99.2%
HSLhsl(225.8, 97.6%, 66.9%)
HSV / HSBhsv(225.8, 65.2%, 99.2%)
CMYK65.2%, 49.8%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,799,933
CSS custom property--colour: #587FFD;

Brightness & contrast

Relative luminance0.24345WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.87:1
Contrast with white3.58:1WCAG normal text: Fail
Contrast with black5.87:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#A78002

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#368FFFno red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#0080FAno green cones; the most common form, about 1% of men; ΔE 9.3 from the original
Tritanopia#009DB2no blue cones; rare, and affects men and women equally; ΔE 69.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.58:1WCAG large text: AA
Contrast with black, large text5.87:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.8Medium slateblue · ΔE 16Dodgerblue · ΔE 16.4Slate blue · ΔE 17.7Medium purple · ΔE 20.2Cornflower blue · ΔE 24.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDD658
Analogous#58D2FD, #8358FD
Triadic#FD587F, #7FFD58
Split complementary#FD8458, #D2FD58
Tetradic#FD58D2, #FDD658, #58FD84

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFF3FF
Lighter +20%#BDCCFE
Lighter +10%#8AA6FE
Darker −10%#2658FC
Darker −20%#033AEC
Darker −30%#022EBA
Darker −40%#022187
More saturated +25%#567EFF
Less saturated −25%#6D8AE8

Channel breakdown

R88
G127
B253
Red88 (34.5%)
Green127 (49.8%)
Blue253 (99.2%)
Hue225.82°
Saturation (HSL)97.63%
Lightness66.86%
Dominant channelBlue
Hex per channelR 58 · G 7F · B FD

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Every value on this page was computed from “587ffd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.