Colour

#2A4DBD

#2A4DBD
Blue
Dark
Nearest: Royal blue

#2A4DBD is a blue with RGB values 42, 77, 189 and HSL 226°, 64%, 45%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#2A4DBD#2A4DBD

HEX#2A4DBD

RGBrgb(42, 77, 189)

RGB (0–1)0.1647, 0.302, 0.7412

RGB percentages16.5%, 30.2%, 74.1%

HSLhsl(225.7, 63.6%, 45.3%)

HSV / HSBhsv(225.7, 77.8%, 74.1%)

CMYK77.8%, 59.3%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,772,413

CSS custom property--colour: #2A4DBD;

Brightness & contrast

Relative luminance0.09474WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.25:1

Contrast with white7.25:1WCAG normal text: AAA

Contrast with black2.89:1WCAG normal text: Fail

Greyscale equivalent#4E4E4E

Inverted#D5B242

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005EC1no red cones; affects about 1% of men; ΔE 13.6 from the original

Deuteranopia#0050BBno green cones; the most common form, about 1% of men; ΔE 5.4 from the original

Tritanopia#00697Dno blue cones; rare, and affects men and women equally; ΔE 64 from the original

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

Contrast with white, large text7.25:1WCAG large text: AAA

Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Royal blue · ΔE 11.5 Slate blue · ΔE 12.4 Medium slateblue · ΔE 20.1 Dark slateblue · ΔE 21.3 Rebecca purple · ΔE 21.5 Medium purple · ΔE 23.5

Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.5, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BD9A2A

Analogous#2A96BD, #512ABD

Triadic#BD2A4D, #4DBD2A

Split complementary#BD512A, #96BD2A

Tetradic#BD2A96, #BD9A2A, #2ABD51

Tints, shades & saturation

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

Lighter +40%#C2CDF1

Lighter +30%#98ABE8

Lighter +20%#6E89DF

Lighter +10%#4467D6

Darker −10%#213C93

Darker −20%#172B6A

Darker −30%#0E1A40

Darker −40%#050916

More saturated +25%#0D3EDA

Less saturated −25%#475CA0

Channel breakdown

R42

G77

B189

Red42 (16.5%)

Green77 (30.2%)

Blue189 (74.1%)

Hue225.71°

Saturation (HSL)63.64%

Lightness45.29%

Dominant channelBlue

Hex per channelR 2A · G 4D · B BD

Keep nerding

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

#2A4DBD

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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