Recognised as Colour

#2109A8

#2109A8
Blue
Dark
Nearest: Dark blue

#2109A8 is a blue with RGB values 33, 9, 168 and HSL 249°, 90%, 35%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2109A8#2109A8

HEX#2109A8

RGBrgb(33, 9, 168)

RGB (0–1)0.1294, 0.0353, 0.6588

RGB percentages12.9%, 3.5%, 65.9%

HSLhsl(249.1, 89.8%, 34.7%)

HSV / HSBhsv(249.1, 94.6%, 65.9%)

CMYK80.4%, 94.6%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,165,160

CSS custom property--colour: #2109A8;

Brightness & contrast

Relative luminance0.03346WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.58:1

Contrast with white12.58:1WCAG normal text: AAA

Contrast with black1.67:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#DEF657

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003AACno red cones; affects about 1% of men; ΔE 27.9 from the original

Deuteranopia#002BA6no green cones; the most common form, about 1% of men; ΔE 18.9 from the original

Tritanopia#004562no blue cones; rare, and affects men and women equally; ΔE 82.9 from the original

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

Contrast with white, large text12.58:1WCAG large text: AAA

Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark blue · ΔE 11 Navy · ΔE 16.1 Medium blue · ΔE 19.8 Indigo · ΔE 22.6 Blue violet · ΔE 25 Dark violet · ΔE 27.7

Nearest named CSS colourDark blue (#00008B)ΔE 11.05, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#90A809

Analogous#0940A8, #7109A8

Triadic#A82109, #09A821

Split complementary#A87109, #40A809

Tetradic#A80941, #90A809, #09A871

Tints, shades & saturation

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

Lighter +40%#9685F8

Lighter +30%#6D54F6

Lighter +20%#4324F3

Lighter +10%#2B0CD8

Darker −10%#170678

Darker −20%#0E0447

Darker −30%#040117

Darker −40%#000000

More saturated +25%#1B00B1

Less saturated −25%#301F92

Channel breakdown

R33

B168

Red33 (12.9%)

Green9 (3.5%)

Blue168 (65.9%)

Hue249.06°

Saturation (HSL)89.83%

Lightness34.71%

Dominant channelBlue

Hex per channelR 21 · G 09 · B A8

Keep nerding

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

#2109A8

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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