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Colour

#6383DB

  • #6383DB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6383DB is a blue with RGB values 99, 131, 219 and HSL 224°, 62%, 62%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6383DB#6383DB
HEX#6383DB
RGBrgb(99, 131, 219)
RGB (0–1)0.3882, 0.5137, 0.8588
RGB percentages38.8%, 51.4%, 85.9%
HSLhsl(224, 62.5%, 62.4%)
HSV / HSBhsv(224, 54.8%, 85.9%)
CMYK54.8%, 40.2%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,521,819
CSS custom property--colour: #6383DB;

Brightness & contrast

Relative luminance0.24WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.8:1
Contrast with white3.62:1WCAG normal text: Fail
Contrast with black5.8:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#9C7C24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5E8CDEno red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#5081D9no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#1D96A4no blue cones; rare, and affects men and women equally; ΔE 51.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.62:1WCAG large text: AA
Contrast with black, large text5.8:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.5Dodgerblue · ΔE 15.7Royal blue · ΔE 22.3Medium purple · ΔE 22.8Steel blue · ΔE 24.7Slate blue · ΔE 26.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.54, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBBB63
Analogous#63BFDB, #7F63DB
Triadic#DB6383, #83DB63
Split complementary#DB7F63, #BFDB63
Tetradic#DB63BF, #DBBB63, #63DB7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DFE6F8
Lighter +20%#B6C5EE
Lighter +10%#8CA4E5
Darker −10%#3A62D1
Darker −20%#294DB0
Darker −30%#1F3A86
Darker −40%#15285D
More saturated +25%#4B78F3
Less saturated −25%#7B8EC3

Channel breakdown

R99
G131
B219
Red99 (38.8%)
Green131 (51.4%)
Blue219 (85.9%)
Hue224°
Saturation (HSL)62.5%
Lightness62.35%
Dominant channelBlue
Hex per channelR 63 · G 83 · B DB

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Every value on this page was computed from “6383db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.