Recognised as Colour

#6370D1

#6370D1
Blue
Dark
Nearest: Royal blue

#6370D1 is a blue with RGB values 99, 112, 209 and HSL 233°, 54%, 60%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#6370D1#6370D1

HEX#6370D1

RGBrgb(99, 112, 209)

RGB (0–1)0.3882, 0.4392, 0.8196

RGB percentages38.8%, 43.9%, 82%

HSLhsl(232.9, 54.5%, 60.4%)

HSV / HSBhsv(232.9, 52.6%, 82%)

CMYK52.6%, 46.4%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,516,945

CSS custom property--colour: #6370D1;

Brightness & contrast

Relative luminance0.18844WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.77:1

Contrast with white4.4:1WCAG normal text: Fail

Contrast with black4.77:1WCAG normal text: AA

Greyscale equivalent#747474

Inverted#9C8F2E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#457DD5no red cones; affects about 1% of men; ΔE 12.5 from the original

Deuteranopia#3874CFno green cones; the most common form, about 1% of men; ΔE 10.9 from the original

Tritanopia#318596no blue cones; rare, and affects men and women equally; ΔE 54.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.4:1WCAG large text: AA

Contrast with black, large text4.77:1WCAG large text: AAA

Named colours

Royal blue · ΔE 14.3 Medium purple · ΔE 15.2 Slate blue · ΔE 15.8 Cornflower blue · ΔE 17.5 Dodgerblue · ΔE 19.2 Dark slateblue · ΔE 22.2

Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.27, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#D1C463

Analogous#63A7D1, #8D63D1

Triadic#D16370, #70D163

Split complementary#D18D63, #A7D163

Tetradic#D163A7, #D1C463, #63D18D

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#D9DCF4

Lighter +20%#B2B8E8

Lighter +10%#8A94DD

Darker −10%#3C4CC5

Darker −20%#2F3C9F

Darker −30%#232D78

Darker −40%#181E50

More saturated +25%#4A5DEA

Less saturated −25%#7C83B8

Channel breakdown

R99

G112

B209

Red99 (38.8%)

Green112 (43.9%)

Blue209 (82%)

Hue232.91°

Saturation (HSL)54.46%

Lightness60.39%

Dominant channelBlue

Hex per channelR 63 · G 70 · B D1

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#6370D1

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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