Colour

#19233A

#19233A
Blue
Dark
Nearest: Black

#19233A is a blue with RGB values 25, 35, 58 and HSL 222°, 40%, 16%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#19233A#19233A

HEX#19233A

RGBrgb(25, 35, 58)

RGB (0–1)0.098, 0.1373, 0.2275

RGB percentages9.8%, 13.7%, 22.7%

HSLhsl(221.8, 39.8%, 16.3%)

HSV / HSBhsv(221.8, 56.9%, 22.7%)

CMYK56.9%, 39.7%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,647,418

CSS custom property--colour: #19233A;

Brightness & contrast

Relative luminance0.01714WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.64:1

Contrast with white15.64:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#E6DCC5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A253Bno red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#172239no green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#0B282Bno blue cones; rare, and affects men and women equally; ΔE 17.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.64:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 21.7 Dark slate grey · ΔE 26.2 Dim grey · ΔE 34.7 Dark slateblue · ΔE 38.3 Slate grey · ΔE 39.7 Steel blue · ΔE 42.4

Nearest named CSS colourBlack (#000000)ΔE 21.65, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3A3019

Analogous#19343A, #1F193A

Triadic#3A1923, #233A19

Split complementary#3A1F19, #343A19

Tetradic#3A1934, #3A3019, #193A1F

Tints, shades & saturation

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

Lighter +40%#637EBC

Lighter +30%#4764A5

Lighter +20%#384E81

Lighter +10%#28395E

Darker −10%#0A0D16

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F1F44

Less saturated −25%#232730

Channel breakdown

R25

G35

B58

Red25 (9.8%)

Green35 (13.7%)

Blue58 (22.7%)

Hue221.82°

Saturation (HSL)39.76%

Lightness16.27%

Dominant channelBlue

Hex per channelR 19 · G 23 · B 3A

Keep nerding

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#19233A

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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