Colour

#8181A0

#8181A0
Blue
Dark
Nearest: Light slate grey

#8181A0 is a blue with RGB values 129, 129, 160 and HSL 240°, 14%, 57%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#8181A0#8181A0

HEX#8181A0

RGBrgb(129, 129, 160)

RGB (0–1)0.5059, 0.5059, 0.6275

RGB percentages50.6%, 50.6%, 62.7%

HSLhsl(240, 14%, 56.7%)

HSV / HSBhsv(240, 19.4%, 62.7%)

CMYK19.4%, 19.4%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,487,328

CSS custom property--colour: #8181A0;

Brightness & contrast

Relative luminance0.22906WCAG 2.x, 0 is black and 1 is white

Perceived brightness132.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.58:1

Contrast with white3.76:1WCAG normal text: Fail

Contrast with black5.58:1WCAG normal text: AA

Greyscale equivalent#838383

Inverted#7E7E5F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7984A1no red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#78839Fno green cones; the most common form, about 1% of men; ΔE 4.4 from the original

Tritanopia#7A868Bno blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.76:1WCAG large text: AA

Contrast with black, large text5.58:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 10.5 Slate grey · ΔE 10.9 Gray · ΔE 17.9 Steel blue · ΔE 19.2 Dim grey · ΔE 20.7 Dark grey · ΔE 22.8

Nearest named CSS colourLight slate grey (#778899)ΔE 10.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A0A081

Analogous#8191A0, #9181A0

Triadic#A08181, #81A081

Split complementary#A09181, #91A081

Tetradic#A08191, #A0A081, #81A091

Tints, shades & saturation

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

Lighter +40%#F5F5F8

Lighter +30%#D8D8E2

Lighter +20%#BBBBCC

Lighter +10%#9E9EB6

Darker −10%#666688

Darker −20%#50506B

Darker −30%#3A3A4E

Darker −40%#252530

More saturated +25%#6565BC

Less saturated −25%#919191

Channel breakdown

R129

G129

B160

Red129 (50.6%)

Green129 (50.6%)

Blue160 (62.7%)

Hue240°

Saturation (HSL)14.03%

Lightness56.67%

Dominant channelBlue

Hex per channelR 81 · G 81 · B A0

Keep nerding

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

#8181A0

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

Nerdulate something else