Colour

#635A8B

#635A8B
Blue
Dark
Nearest: Dark slateblue

#635A8B is a blue with RGB values 99, 90, 139 and HSL 251°, 21%, 45%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#635A8B#635A8B

HEX#635A8B

RGBrgb(99, 90, 139)

RGB (0–1)0.3882, 0.3529, 0.5451

RGB percentages38.8%, 35.3%, 54.5%

HSLhsl(251, 21.4%, 44.9%)

HSV / HSBhsv(251, 35.3%, 54.5%)

CMYK28.8%, 35.3%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,511,243

CSS custom property--colour: #635A8B;

Brightness & contrast

Relative luminance0.11829WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.24:1

Contrast with white6.24:1WCAG normal text: AA

Contrast with black3.37:1WCAG normal text: Fail

Greyscale equivalent#5F5F5F

Inverted#9CA574

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4D618Dno red cones; affects about 1% of men; ΔE 10.4 from the original

Deuteranopia#4D608Ano green cones; the most common form, about 1% of men; ΔE 10.6 from the original

Tritanopia#5A636Cno blue cones; rare, and affects men and women equally; ΔE 25.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.24:1WCAG large text: AAA

Contrast with black, large text3.37:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 22 Steel blue · ΔE 23.3 Slate grey · ΔE 26 Light slate grey · ΔE 27.3 Dim grey · ΔE 30.2 Cornflower blue · ΔE 32

Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.97, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#828B5A

Analogous#5A6A8B, #7B5A8B

Triadic#8B635A, #5A8B63

Split complementary#8B7B5A, #6A8B5A

Tetradic#8B5A6A, #828B5A, #5A8B7B

Tints, shades & saturation

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

Lighter +40%#D3D0E1

Lighter +30%#B6B1CD

Lighter +20%#9992B9

Lighter +10%#7C73A5

Darker −10%#4D466C

Darker −20%#37324D

Darker −30%#211E2E

Darker −40%#0B0A0F

More saturated +25%#513DA8

Less saturated −25%#727272

Channel breakdown

R99

G90

B139

Red99 (38.8%)

Green90 (35.3%)

Blue139 (54.5%)

Hue251.02°

Saturation (HSL)21.4%

Lightness44.9%

Dominant channelBlue

Hex per channelR 63 · G 5A · B 8B

Keep nerding

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

#635A8B

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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