Colour

#1300AD

#1300AD
Blue
Dark
Nearest: Medium blue

#1300AD is a blue with RGB values 19, 0, 173 and HSL 247°, 100%, 34%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1300AD#1300AD

HEX#1300AD

RGBrgb(19, 0, 173)

RGB (0–1)0.0745, 0, 0.6784

RGB percentages7.5%, 0%, 67.8%

HSLhsl(246.6, 100%, 33.9%)

HSV / HSBhsv(246.6, 100%, 67.8%)

CMYK89%, 100%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,245,357

CSS custom property--colour: #1300AD;

Brightness & contrast

Relative luminance0.03156WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.87:1

Contrast with white12.87:1WCAG normal text: AAA

Contrast with black1.63:1WCAG normal text: Fail

Greyscale equivalent#111111

Inverted#ECFF52

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003AB1no red cones; affects about 1% of men; ΔE 30.2 from the original

Deuteranopia#0028ABno green cones; the most common form, about 1% of men; ΔE 19.2 from the original

Tritanopia#004664no blue cones; rare, and affects men and women equally; ΔE 87.7 from the original

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

Contrast with white, large text12.87:1WCAG large text: AAA

Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14.8 Dark blue · ΔE 15.4 Navy · ΔE 20.6 Blue violet · ΔE 24.5 Dark violet · ΔE 27.1 Indigo · ΔE 27.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 14.78, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9AAD00

Analogous#0044AD, #6900AD

Triadic#AD1300, #00AD13

Split complementary#AD6900, #44AD00

Tetradic#AD0044, #9AAD00, #00AD69

Tints, shades & saturation

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

Lighter +40%#897AFF

Lighter +30%#5B47FF

Lighter +20%#2E14FF

Lighter +10%#1900E0

Darker −10%#0D007A

Darker −20%#080047

Darker −30%#020014

Darker −40%#000000

More saturated +25%#1300AD

Less saturated −25%#241697

Channel breakdown

R19

B173

Red19 (7.5%)

Green0 (0%)

Blue173 (67.8%)

Hue246.59°

Saturation (HSL)100%

Lightness33.92%

Dominant channelBlue

Hex per channelR 13 · G 00 · B AD

Keep nerding

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#1300AD

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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