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Recognised as Colour

#6379D8

  • #6379D8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6379D8 is a blue with RGB values 99, 121, 216 and HSL 229°, 60%, 62%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6379D8#6379D8
HEX#6379D8
RGBrgb(99, 121, 216)
RGB (0–1)0.3882, 0.4745, 0.8471
RGB percentages38.8%, 47.5%, 84.7%
HSLhsl(228.7, 60%, 61.8%)
HSV / HSBhsv(228.7, 54.2%, 84.7%)
CMYK54.2%, 44%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,519,256
CSS custom property--colour: #6379D8;

Brightness & contrast

Relative luminance0.21285WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.26:1
Contrast with white3.99:1WCAG normal text: Fail
Contrast with black5.26:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#9C8627

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5085DCno red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#427AD6no green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#268E9Eno blue cones; rare, and affects men and women equally; ΔE 54.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.99:1WCAG large text: AA
Contrast with black, large text5.26:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.2Dodgerblue · ΔE 16.3Royal blue · ΔE 16.5Medium purple · ΔE 17.8Slate blue · ΔE 19.7Dark slateblue · ΔE 25.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8C263
Analogous#63B3D8, #8763D8
Triadic#D86379, #79D863
Split complementary#D88863, #B3D863
Tetradic#D863B4, #D8C263, #63D888

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDE2F7
Lighter +20%#B5BFEC
Lighter +10%#8C9CE2
Darker −10%#3A56CE
Darker −20%#2B43AA
Darker −30%#203382
Darker −40%#162359
More saturated +25%#4B6AF0
Less saturated −25%#7B88C0

Channel breakdown

R99
G121
B216
Red99 (38.8%)
Green121 (47.5%)
Blue216 (84.7%)
Hue228.72°
Saturation (HSL)60%
Lightness61.76%
Dominant channelBlue
Hex per channelR 63 · G 79 · B D8

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Every value on this page was computed from “6379d8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.