Colour

#0A01A3

#0A01A3
Blue
Dark
Nearest: Dark blue

#0A01A3 is a blue with RGB values 10, 1, 163 and HSL 243°, 99%, 32%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0A01A3#0A01A3

HEX#0A01A3

RGBrgb(10, 1, 163)

RGB (0–1)0.0392, 0.0039, 0.6392

RGB percentages3.9%, 0.4%, 63.9%

HSLhsl(243.3, 98.8%, 32.2%)

HSV / HSBhsv(243.3, 99.4%, 63.9%)

CMYK93.9%, 99.4%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer655,779

CSS custom property--colour: #0A01A3;

Brightness & contrast

Relative luminance0.02731WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.58:1

Contrast with white13.58:1WCAG normal text: AAA

Contrast with black1.55:1WCAG normal text: Fail

Greyscale equivalent#0F0F0F

Inverted#F5FE5C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0036A7no red cones; affects about 1% of men; ΔE 28.5 from the original

Deuteranopia#0025A1no green cones; the most common form, about 1% of men; ΔE 18.2 from the original

Tritanopia#00425Eno blue cones; rare, and affects men and women equally; ΔE 84.2 from the original

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

Contrast with white, large text13.58:1WCAG large text: AAA

Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark blue · ΔE 10.8 Navy · ΔE 16 Medium blue · ΔE 19.4 Indigo · ΔE 23.8 Blue violet · ΔE 26.9 Dark violet · ΔE 29.3

Nearest named CSS colourDark blue (#00008B)ΔE 10.75, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9AA301

Analogous#0149A3, #5B01A3

Triadic#A30A01, #01A30A

Split complementary#A35B01, #49A301

Tetradic#A30149, #9AA301, #01A35B

Tints, shades & saturation

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

Lighter +40%#7A72FE

Lighter +30%#4A3FFE

Lighter +20%#1A0CFE

Lighter +10%#0D01D6

Darker −10%#070170

Darker −20%#04003E

Darker −30%#01000B

Darker −40%#000000

More saturated +25%#0900A4

Less saturated −25%#1C168E

Channel breakdown

R10

B163

Red10 (3.9%)

Green1 (0.4%)

Blue163 (63.9%)

Hue243.33°

Saturation (HSL)98.78%

Lightness32.16%

Dominant channelBlue

Hex per channelR 0A · G 01 · B A3

Keep nerding

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

#0A01A3

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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