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Recognised as Colour

#6370DC

  • #6370DC
  • Blue
  • Dark
  • Nearest: Royal blue

#6370DC is a blue with RGB values 99, 112, 220 and HSL 234°, 63%, 63%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#6370DC#6370DC
HEX#6370DC
RGBrgb(99, 112, 220)
RGB (0–1)0.3882, 0.4392, 0.8627
RGB percentages38.8%, 43.9%, 86.3%
HSLhsl(233.6, 63.4%, 62.5%)
HSV / HSBhsv(233.6, 55%, 86.3%)
CMYK55%, 49.1%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,516,956
CSS custom property--colour: #6370DC;

Brightness & contrast

Relative luminance0.19408WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.88:1
Contrast with white4.3:1WCAG normal text: Fail
Contrast with black4.88:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#9C8F23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A7FE0no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#2975DAno green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#22889Cno blue cones; rare, and affects men and women equally; ΔE 60.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.3:1WCAG large text: AA
Contrast with black, large text4.88:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.9Slate blue · ΔE 11.7Medium purple · ΔE 13.4Medium slateblue · ΔE 17.4Dodgerblue · ΔE 19.1Cornflower blue · ΔE 21.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.94, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCCF63
Analogous#63ACDC, #9263DC
Triadic#DC6370, #70DC63
Split complementary#DC9363, #ACDC63
Tetradic#DC63AD, #DCCF63, #63DC93

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0E3F8
Lighter +20%#B6BCEF
Lighter +10%#8D96E5
Darker −10%#394AD3
Darker −20%#2837B1
Darker −30%#1E2A88
Darker −40%#151D5E
More saturated +25%#4B5DF4
Less saturated −25%#7B83C4

Channel breakdown

R99
G112
B220
Red99 (38.8%)
Green112 (43.9%)
Blue220 (86.3%)
Hue233.55°
Saturation (HSL)63.35%
Lightness62.55%
Dominant channelBlue
Hex per channelR 63 · G 70 · B DC

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Every value on this page was computed from “6370dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.