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Recognised as Colour

#387CF5

  • #387CF5
  • Blue
  • Dark
  • Nearest: Royal blue

#387CF5 is a blue with RGB values 56, 124, 245 and HSL 218°, 90%, 59%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#387CF5#387CF5
HEX#387CF5
RGBrgb(56, 124, 245)
RGB (0–1)0.2196, 0.4863, 0.9608
RGB percentages22%, 48.6%, 96.1%
HSLhsl(218.4, 90.4%, 59%)
HSV / HSBhsv(218.4, 77.1%, 96.1%)
CMYK77.1%, 49.4%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,702,005
CSS custom property--colour: #387CF5;

Brightness & contrast

Relative luminance0.21849WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.37:1
Contrast with white3.91:1WCAG normal text: Fail
Contrast with black5.37:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#C7830A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#318AF9no red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#0079F3no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#0099ADno blue cones; rare, and affects men and women equally; ΔE 66.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.91:1WCAG large text: AA
Contrast with black, large text5.37:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.4Dodgerblue · ΔE 12.4Slate blue · ΔE 19.8Medium slateblue · ΔE 20.6Cornflower blue · ΔE 22.2Medium purple · ΔE 23.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.43, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F5B138
Analogous#38DAF5, #5338F5
Triadic#F5387C, #7CF538
Split complementary#F55338, #DAF538
Tetradic#F538DA, #F5B138, #38F553

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFCFF
Lighter +30%#CADCFC
Lighter +20%#99BCFA
Lighter +10%#699CF7
Darker −10%#0C5DEE
Darker −20%#0A4ABD
Darker −30%#07378D
Darker −40%#05245C
More saturated +25%#2E79FF
Less saturated −25%#5283DB

Channel breakdown

R56
G124
B245
Red56 (22%)
Green124 (48.6%)
Blue245 (96.1%)
Hue218.41°
Saturation (HSL)90.43%
Lightness59.02%
Dominant channelBlue
Hex per channelR 38 · G 7C · B F5

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Every value on this page was computed from “387cf5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.