Recognised as Colour

#2A45DD

#2A45DD
Blue
Dark
Nearest: Medium slateblue

#2A45DD is a blue with RGB values 42, 69, 221 and HSL 231°, 72%, 52%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2A45DD#2A45DD

HEX#2A45DD

RGBrgb(42, 69, 221)

RGB (0–1)0.1647, 0.2706, 0.8667

RGB percentages16.5%, 27.1%, 86.7%

HSLhsl(230.9, 72.5%, 51.6%)

HSV / HSBhsv(230.9, 81%, 86.7%)

CMYK81%, 68.8%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,770,397

CSS custom property--colour: #2A45DD;

Brightness & contrast

Relative luminance0.09969WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.01:1

Contrast with white7.01:1WCAG normal text: AAA

Contrast with black2.99:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#D5BA22

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0062E2no red cones; affects about 1% of men; ΔE 21.2 from the original

Deuteranopia#0050DAno green cones; the most common form, about 1% of men; ΔE 10.7 from the original

Tritanopia#006F8Cno blue cones; rare, and affects men and women equally; ΔE 82.8 from the original

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

Contrast with white, large text7.01:1WCAG large text: AAA

Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20.5 Slate blue · ΔE 24.6 Royal blue · ΔE 25.6 Blue violet · ΔE 25.7 Dark blue · ΔE 26 Medium blue · ΔE 28.3

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.48, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DDC22A

Analogous#2A9EDD, #692ADD

Triadic#DD2A45, #45DD2A

Split complementary#DD692A, #9FDD2A

Tetradic#DD2A9E, #DDC22A, #2ADD69

Tints, shades & saturation

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

Lighter +40%#DADFF9

Lighter +30%#AEB8F2

Lighter +20%#8292EB

Lighter +10%#566BE4

Darker −10%#1D34B7

Darker −20%#16288B

Darker −30%#0F1B5F

Darker −40%#080F33

More saturated +25%#0B2FFC

Less saturated −25%#495BBE

Channel breakdown

R42

G69

B221

Red42 (16.5%)

Green69 (27.1%)

Blue221 (86.7%)

Hue230.95°

Saturation (HSL)72.47%

Lightness51.57%

Dominant channelBlue

Hex per channelR 2A · G 45 · B DD

Keep nerding

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

#2A45DD

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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