Colour

#2421DF

#2421DF
Blue
Dark
Nearest: Medium blue

#2421DF is a blue with RGB values 36, 33, 223 and HSL 241°, 75%, 50%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2421DF#2421DF

HEX#2421DF

RGBrgb(36, 33, 223)

RGB (0–1)0.1412, 0.1294, 0.8745

RGB percentages14.1%, 12.9%, 87.5%

HSLhsl(240.9, 74.8%, 50.2%)

HSV / HSBhsv(240.9, 85.2%, 87.5%)

CMYK83.9%, 85.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,367,967

CSS custom property--colour: #2421DF;

Brightness & contrast

Relative luminance0.0679WCAG 2.x, 0 is black and 1 is white

Perceived brightness81.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.91:1

Contrast with white8.91:1WCAG normal text: AAA

Contrast with black2.36:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#DBDE20

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0053E4no red cones; affects about 1% of men; ΔE 31.1 from the original

Deuteranopia#003FDCno green cones; the most common form, about 1% of men; ΔE 19.6 from the original

Tritanopia#006285no blue cones; rare, and affects men and women equally; ΔE 99.2 from the original

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

Contrast with white, large text8.91:1WCAG large text: AAA

Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.2 Blue violet · ΔE 20.7 Blue · ΔE 22.7 Dark violet · ΔE 25.8 Dark blue · ΔE 31 Dark orchid · ΔE 33.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 7.23, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DCDF21

Analogous#217DDF, #8321DF

Triadic#DF2421, #21DF24

Split complementary#DF8321, #7DDF21

Tetradic#DF217D, #DCDF21, #21DF83

Tints, shades & saturation

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

Lighter +40%#D4D3F9

Lighter +30%#A8A7F2

Lighter +20%#7C7AEC

Lighter +10%#504EE5

Darker −10%#1C1AB3

Darker −20%#151387

Darker −30%#0E0D5A

Darker −40%#07072D

More saturated +25%#0501FF

Less saturated −25%#4341BF

Channel breakdown

R36

G33

B223

Red36 (14.1%)

Green33 (12.9%)

Blue223 (87.5%)

Hue240.95°

Saturation (HSL)74.8%

Lightness50.2%

Dominant channelBlue

Hex per channelR 24 · G 21 · B DF

Keep nerding

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#2421DF

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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