Recognised as Colour

#2104A9

#2104A9
Blue
Dark
Nearest: Dark blue

#2104A9 is a blue with RGB values 33, 4, 169 and HSL 251°, 95%, 34%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2104A9#2104A9

HEX#2104A9

RGBrgb(33, 4, 169)

RGB (0–1)0.1294, 0.0157, 0.6627

RGB percentages12.9%, 1.6%, 66.3%

HSLhsl(250.5, 95.4%, 33.9%)

HSV / HSBhsv(250.5, 97.6%, 66.3%)

CMYK80.5%, 97.6%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,163,881

CSS custom property--colour: #2104A9;

Brightness & contrast

Relative luminance0.03275WCAG 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 12.69:1

Contrast with white12.69:1WCAG normal text: AAA

Contrast with black1.65:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#DEFB56

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003AADno red cones; affects about 1% of men; ΔE 29.2 from the original

Deuteranopia#002BA7no green cones; the most common form, about 1% of men; ΔE 20.3 from the original

Tritanopia#004462no blue cones; rare, and affects men and women equally; ΔE 83.9 from the original

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

Contrast with white, large text12.69:1WCAG large text: AAA

Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.4 Navy · ΔE 17.5 Medium blue · ΔE 18.2 Indigo · ΔE 24 Blue violet · ΔE 24.4 Dark violet · ΔE 27

Nearest named CSS colourDark blue (#00008B)ΔE 12.38, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8CA904

Analogous#043AA9, #7304A9

Triadic#A92104, #04A921

Split complementary#A97404, #39A904

Tetradic#A9043A, #8CA904, #04A973

Tints, shades & saturation

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

Lighter +40%#937DFC

Lighter +30%#6A4BFB

Lighter +20%#4119FA

Lighter +10%#2B05DB

Darker −10%#170377

Darker −20%#0E0245

Darker −30%#040014

Darker −40%#000000

More saturated +25%#1E00AD

Less saturated −25%#2F1A93

Channel breakdown

R33

B169

Red33 (12.9%)

Green4 (1.6%)

Blue169 (66.3%)

Hue250.55°

Saturation (HSL)95.38%

Lightness33.92%

Dominant channelBlue

Hex per channelR 21 · G 04 · B A9

Keep nerding

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

#2104A9

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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