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Recognised as Colour

#6371C6

  • #6371C6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6371C6 is a blue with RGB values 99, 113, 198 and HSL 232°, 46%, 58%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6371C6#6371C6
HEX#6371C6
RGBrgb(99, 113, 198)
RGB (0–1)0.3882, 0.4431, 0.7765
RGB percentages38.8%, 44.3%, 77.6%
HSLhsl(231.5, 46.5%, 58.2%)
HSV / HSBhsv(231.5, 50%, 77.6%)
CMYK50%, 42.9%, 0%, 22.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,517,190
CSS custom property--colour: #6371C6;

Brightness & contrast

Relative luminance0.1854WCAG 2.x, 0 is black and 1 is white
Perceived brightness122 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.71:1
Contrast with white4.46:1WCAG normal text: Fail
Contrast with black4.71:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#9C8E39

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E7CC9no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#4573C4no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#3B8392no blue cones; rare, and affects men and women equally; ΔE 47.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.46:1WCAG large text: AA
Contrast with black, large text4.71:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 15.2Medium purple · ΔE 19.5Royal blue · ΔE 20.9Dark slateblue · ΔE 21.2Dodgerblue · ΔE 21.3Slate blue · ΔE 21.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C6B863
Analogous#63A3C6, #8663C6
Triadic#C66371, #71C663
Split complementary#C68763, #A3C663
Tetradic#C663A3, #C6B863, #63C687

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8F9FD
Lighter +30%#D3D7EF
Lighter +20%#AEB5E1
Lighter +10%#8893D4
Darker −10%#4252B4
Darker −20%#34418F
Darker −30%#273069
Darker −40%#191F44
More saturated +25%#485EE1
Less saturated −25%#7E84AB

Channel breakdown

R99
G113
B198
Red99 (38.8%)
Green113 (44.3%)
Blue198 (77.6%)
Hue231.52°
Saturation (HSL)46.48%
Lightness58.24%
Dominant channelBlue
Hex per channelR 63 · G 71 · B C6

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Every value on this page was computed from “6371c6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.