Colour

#12429B

#12429B
Blue
Dark
Nearest: Dark slateblue

#12429B is a blue with RGB values 18, 66, 155 and HSL 219°, 79%, 34%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#12429B#12429B

HEX#12429B

RGBrgb(18, 66, 155)

RGB (0–1)0.0706, 0.2588, 0.6078

RGB percentages7.1%, 25.9%, 60.8%

HSLhsl(219, 79.2%, 33.9%)

HSV / HSBhsv(219, 88.4%, 60.8%)

CMYK88.4%, 57.4%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,196,699

CSS custom property--colour: #12429B;

Brightness & contrast

Relative luminance0.06392WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.22:1

Contrast with white9.22:1WCAG normal text: AAA

Contrast with black2.28:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#EDBD64

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004E9Eno red cones; affects about 1% of men; ΔE 9.4 from the original

Deuteranopia#004299no green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#005868no blue cones; rare, and affects men and women equally; ΔE 52.2 from the original

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

Contrast with white, large text9.22:1WCAG large text: AAA

Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.2 Midnight blue · ΔE 18.8 Royal blue · ΔE 22.3 Slate blue · ΔE 22.3 Rebecca purple · ΔE 23.5 Medium purple · ΔE 29.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.15, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9B6B12

Analogous#12879B, #26129B

Triadic#9B1242, #429B12

Split complementary#9B2612, #879B12

Tetradic#9B1287, #9B6B12, #129B26

Tints, shades & saturation

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

Lighter +40%#88ADF1

Lighter +30%#5A8DEC

Lighter +20%#2C6EE7

Lighter +10%#1755C9

Darker −10%#0D2F6D

Darker −20%#071B40

Darker −30%#020812

Darker −40%#000000

More saturated +25%#003DAD

Less saturated −25%#284885

Channel breakdown

R18

G66

B155

Red18 (7.1%)

Green66 (25.9%)

Blue155 (60.8%)

Hue218.98°

Saturation (HSL)79.19%

Lightness33.92%

Dominant channelBlue

Hex per channelR 12 · G 42 · B 9B

Keep nerding

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#12429B

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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