Colour

#634EDA

#634EDA
Blue
Dark
Nearest: Medium slateblue

#634EDA is a blue with RGB values 99, 78, 218 and HSL 249°, 65%, 58%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#634EDA#634EDA

HEX#634EDA

RGBrgb(99, 78, 218)

RGB (0–1)0.3882, 0.3059, 0.8549

RGB percentages38.8%, 30.6%, 85.5%

HSLhsl(249, 65.4%, 58%)

HSV / HSBhsv(249, 64.2%, 85.5%)

CMYK54.6%, 64.2%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,508,250

CSS custom property--colour: #634EDA;

Brightness & contrast

Relative luminance0.13163WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.78:1

Contrast with white5.78:1WCAG normal text: AA

Contrast with black3.63:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#9CB125

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006ADEno red cones; affects about 1% of men; ΔE 26.2 from the original

Deuteranopia#0061D7no green cones; the most common form, about 1% of men; ΔE 22.8 from the original

Tritanopia#2C718Dno blue cones; rare, and affects men and women equally; ΔE 74.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.78:1WCAG large text: AAA

Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 10.8 Slate blue · ΔE 15 Royal blue · ΔE 20.3 Dark orchid · ΔE 21.5 Medium purple · ΔE 24.1 Rebecca purple · ΔE 24.3

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 10.84, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C5DA4E

Analogous#4E7FDA, #A94EDA

Triadic#DA634E, #4EDA63

Split complementary#DAA94E, #7FDA4E

Tetradic#DA4E7F, #C5DA4E, #4EDAA9

Tints, shades & saturation

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

Lighter +40%#F8F7FD

Lighter +30%#D3CDF4

Lighter +20%#ADA2EC

Lighter +10%#8878E3

Darker −10%#422ACB

Darker −20%#3522A0

Darker −30%#271976

Darker −40%#19104C

More saturated +25%#5033F5

Less saturated −25%#7669BF

Channel breakdown

R99

G78

B218

Red99 (38.8%)

Green78 (30.6%)

Blue218 (85.5%)

Hue249°

Saturation (HSL)65.42%

Lightness58.04%

Dominant channelBlue

Hex per channelR 63 · G 4E · B DA

Keep nerding

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

#634EDA

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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