Colour

#0A40C2

#0A40C2
Blue
Dark
Nearest: Slate blue

#0A40C2 is a blue with RGB values 10, 64, 194 and HSL 222°, 90%, 40%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#0A40C2#0A40C2

HEX#0A40C2

RGBrgb(10, 64, 194)

RGB (0–1)0.0392, 0.251, 0.7608

RGB percentages3.9%, 25.1%, 76.1%

HSLhsl(222.4, 90.2%, 40%)

HSV / HSBhsv(222.4, 94.8%, 76.1%)

CMYK94.8%, 67%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer671,938

CSS custom property--colour: #0A40C2;

Brightness & contrast

Relative luminance0.07626WCAG 2.x, 0 is black and 1 is white

Perceived brightness82 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.32:1

Contrast with white8.32:1WCAG normal text: AAA

Contrast with black2.53:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#F5BF3D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0057C6no red cones; affects about 1% of men; ΔE 17.1 from the original

Deuteranopia#0046C0no green cones; the most common form, about 1% of men; ΔE 6 from the original

Tritanopia#00647Bno blue cones; rare, and affects men and women equally; ΔE 73.8 from the original

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

Contrast with white, large text8.32:1WCAG large text: AAA

Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18.3 Royal blue · ΔE 19 Medium slateblue · ΔE 20.4 Dark blue · ΔE 23.2 Navy · ΔE 23.9 Rebecca purple · ΔE 25

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18.27, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C28C0A

Analogous#0A9CC2, #300AC2

Triadic#C20A40, #40C20A

Split complementary#C2300A, #9CC20A

Tetradic#C20A9C, #C28C0A, #0AC230

Tints, shades & saturation

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

Lighter +40%#9EB9FA

Lighter +30%#6D96F8

Lighter +20%#3D73F5

Lighter +10%#0C50F3

Darker −10%#083092

Darker −20%#052061

Darker −30%#031031

Darker −40%#000000

More saturated +25%#003CCC

Less saturated −25%#244BA9

Channel breakdown

R10

G64

B194

Red10 (3.9%)

Green64 (25.1%)

Blue194 (76.1%)

Hue222.39°

Saturation (HSL)90.2%

Lightness40%

Dominant channelBlue

Hex per channelR 0A · G 40 · B C2

Keep nerding

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

#0A40C2

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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