Colour

#2A1768

#2A1768
Blue
Dark
Nearest: Midnight blue

#2A1768 is a blue with RGB values 42, 23, 104 and HSL 254°, 64%, 25%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2A1768#2A1768

HEX#2A1768

RGBrgb(42, 23, 104)

RGB (0–1)0.1647, 0.0902, 0.4078

RGB percentages16.5%, 9%, 40.8%

HSLhsl(254.1, 63.8%, 24.9%)

HSV / HSBhsv(254.1, 77.9%, 40.8%)

CMYK59.6%, 77.9%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,758,504

CSS custom property--colour: #2A1768;

Brightness & contrast

Relative luminance0.02105WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.78:1

Contrast with white14.78:1WCAG normal text: AAA

Contrast with black1.42:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#D5E897

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002A6Ano red cones; affects about 1% of men; ΔE 17.5 from the original

Deuteranopia#002566no green cones; the most common form, about 1% of men; ΔE 15.4 from the original

Tritanopia#0C2D3Eno blue cones; rare, and affects men and women equally; ΔE 47.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.78:1WCAG large text: AAA

Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.6 Dark slateblue · ΔE 16.2 Rebecca purple · ΔE 20.2 Indigo · ΔE 21.9 Navy · ΔE 25.8 Dark blue · ΔE 30.6

Nearest named CSS colourMidnight blue (#191970)ΔE 5.59, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#556817

Analogous#172C68, #531768

Triadic#682A17, #17682A

Split complementary#685317, #2D6817

Tetradic#68172C, #556817, #176853

Tints, shades & saturation

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

Lighter +40%#876CDF

Lighter +30%#6543D5

Lighter +20%#4C29BC

Lighter +10%#3B2092

Darker −10%#190E3E

Darker −20%#080514

Darker −30%#000000

Darker −40%#000000

More saturated +25%#220778

Less saturated −25%#322758

Channel breakdown

R42

G23

B104

Red42 (16.5%)

Green23 (9%)

Blue104 (40.8%)

Hue254.07°

Saturation (HSL)63.78%

Lightness24.9%

Dominant channelBlue

Hex per channelR 2A · G 17 · B 68

Keep nerding

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#2A1768

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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