Colour

#19243A

#19243A
Blue
Dark
Nearest: Black

#19243A is a blue with RGB values 25, 36, 58 and HSL 220°, 40%, 16%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#19243A#19243A

HEX#19243A

RGBrgb(25, 36, 58)

RGB (0–1)0.098, 0.1412, 0.2275

RGB percentages9.8%, 14.1%, 22.7%

HSLhsl(220, 39.8%, 16.3%)

HSV / HSBhsv(220, 56.9%, 22.7%)

CMYK56.9%, 37.9%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,647,674

CSS custom property--colour: #19243A;

Brightness & contrast

Relative luminance0.01774WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.5:1

Contrast with white15.5:1WCAG normal text: AAA

Contrast with black1.35:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#E6DBC5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C263Bno red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#18233Ano green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#0B292Cno blue cones; rare, and affects men and women equally; ΔE 16.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.5:1WCAG large text: AAA

Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Black · ΔE 21.4 Dark slate grey · ΔE 25.3 Dim grey · ΔE 34.1 Dark slateblue · ΔE 38.9 Slate grey · ΔE 39.2 Steel blue · ΔE 42.2

Nearest named CSS colourBlack (#000000)ΔE 21.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3A2F19

Analogous#19353A, #1F193A

Triadic#3A1924, #243A19

Split complementary#3A1E19, #343A19

Tetradic#3A1934, #3A2F19, #193A1E

Tints, shades & saturation

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

Lighter +40%#6381BC

Lighter +30%#4766A5

Lighter +20%#385081

Lighter +10%#283A5E

Darker −10%#0A0E16

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F2144

Less saturated −25%#232730

Channel breakdown

R25

G36

B58

Red25 (9.8%)

Green36 (14.1%)

Blue58 (22.7%)

Hue220°

Saturation (HSL)39.76%

Lightness16.27%

Dominant channelBlue

Hex per channelR 19 · G 24 · B 3A

Keep nerding

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#19243A

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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