Recognised as Colour

#1300A3

#1300A3
Blue
Dark
Nearest: Dark blue

#1300A3 is a blue with RGB values 19, 0, 163 and HSL 247°, 100%, 32%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1300A3#1300A3

HEX#1300A3

RGBrgb(19, 0, 163)

RGB (0–1)0.0745, 0, 0.6392

RGB percentages7.5%, 0%, 63.9%

HSLhsl(247, 100%, 32%)

HSV / HSBhsv(247, 100%, 63.9%)

CMYK88.3%, 100%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,245,347

CSS custom property--colour: #1300A3;

Brightness & contrast

Relative luminance0.02783WCAG 2.x, 0 is black and 1 is white

Perceived brightness56 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.49:1

Contrast with white13.49:1WCAG normal text: AAA

Contrast with black1.56:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#ECFF5C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0036A7no red cones; affects about 1% of men; ΔE 28.6 from the original

Deuteranopia#0026A1no green cones; the most common form, about 1% of men; ΔE 19 from the original

Tritanopia#00415Eno blue cones; rare, and affects men and women equally; ΔE 83.3 from the original

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

Contrast with white, large text13.49:1WCAG large text: AAA

Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Dark blue · ΔE 10.8 Navy · ΔE 16 Medium blue · ΔE 19.4 Indigo · ΔE 23.5 Blue violet · ΔE 26.5 Dark violet · ΔE 28.8

Nearest named CSS colourDark blue (#00008B)ΔE 10.8, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#90A300

Analogous#003EA3, #6500A3

Triadic#A31300, #00A313

Split complementary#A36400, #3FA300

Tetradic#A3003E, #90A300, #00A365

Tints, shades & saturation

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

Lighter +40%#8170FF

Lighter +30%#543DFF

Lighter +20%#270AFF

Lighter +10%#1900D6

Darker −10%#0D0070

Darker −20%#07003D

Darker −30%#01000A

Darker −40%#000000

More saturated +25%#1300A3

Less saturated −25%#23148F

Channel breakdown

R19

B163

Red19 (7.5%)

Green0 (0%)

Blue163 (63.9%)

Hue246.99°

Saturation (HSL)100%

Lightness31.96%

Dominant channelBlue

Hex per channelR 13 · G 00 · B A3

Keep nerding

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

#1300A3

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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