Colour

#1308A9

#1308A9
Blue
Dark
Nearest: Dark blue

#1308A9 is a blue with RGB values 19, 8, 169 and HSL 244°, 91%, 35%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1308A9#1308A9

HEX#1308A9

RGBrgb(19, 8, 169)

RGB (0–1)0.0745, 0.0314, 0.6627

RGB percentages7.5%, 3.1%, 66.3%

HSLhsl(244.1, 91%, 34.7%)

HSV / HSBhsv(244.1, 95.3%, 66.3%)

CMYK88.8%, 95.3%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,247,401

CSS custom property--colour: #1308A9;

Brightness & contrast

Relative luminance0.03177WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.84:1

Contrast with white12.84:1WCAG normal text: AAA

Contrast with black1.64:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#ECF756

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003AADno red cones; affects about 1% of men; ΔE 28.4 from the original

Deuteranopia#0029A7no green cones; the most common form, about 1% of men; ΔE 17.9 from the original

Tritanopia#004562no blue cones; rare, and affects men and women equally; ΔE 84.1 from the original

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

Contrast with white, large text12.84:1WCAG large text: AAA

Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark blue · ΔE 11.9 Navy · ΔE 17.1 Medium blue · ΔE 18.5 Indigo · ΔE 24.3 Blue violet · ΔE 25.5 Dark violet · ΔE 28.4

Nearest named CSS colourDark blue (#00008B)ΔE 11.9, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9EA908

Analogous#084DA9, #6408A9

Triadic#A91308, #08A913

Split complementary#A96408, #4DA908

Tetradic#A9084D, #9EA908, #08A964

Tints, shades & saturation

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

Lighter +40%#8C84F9

Lighter +30%#5E53F7

Lighter +20%#3122F5

Lighter +10%#180ADA

Darker −10%#0E0678

Darker −20%#080348

Darker −30%#030117

Darker −40%#000000

More saturated +25%#0C00B1

Less saturated −25%#261E93

Channel breakdown

R19

B169

Red19 (7.5%)

Green8 (3.1%)

Blue169 (66.3%)

Hue244.1°

Saturation (HSL)90.96%

Lightness34.71%

Dominant channelBlue

Hex per channelR 13 · G 08 · B A9

Keep nerding

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#1308A9

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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