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Colour

#19194B

  • #19194B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#19194B is a blue with RGB values 25, 25, 75 and HSL 240°, 50%, 20%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#19194B#19194B
HEX#19194B
RGBrgb(25, 25, 75)
RGB (0–1)0.098, 0.098, 0.2941
RGB percentages9.8%, 9.8%, 29.4%
HSLhsl(240, 50%, 19.6%)
HSV / HSBhsv(240, 66.7%, 29.4%)
CMYK66.7%, 66.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,644,875
CSS custom property--colour: #19194B;

Brightness & contrast

Relative luminance0.0141WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.38:1
Contrast with white16.38:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#E6E6B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00224Dno red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#001D4Ano green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#00252Fno blue cones; rare, and affects men and women equally; ΔE 33.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.38:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.3Midnight blue · ΔE 23.5Rebecca purple · ΔE 36.5Black · ΔE 37.7Indigo · ΔE 41.5Dark slate grey · ΔE 44.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B4B19
Analogous#19324B, #32194B
Triadic#4B1919, #194B19
Split complementary#4B3219, #324B19
Tetradic#4B1932, #4B4B19, #194B32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6464CC
Lighter +30%#3F3FBE
Lighter +20%#323298
Lighter +10%#262671
Darker −10%#0C0C25
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C0C58
Less saturated −25%#25253F

Channel breakdown

R25
G25
B75
Red25 (9.8%)
Green25 (9.8%)
Blue75 (29.4%)
Hue240°
Saturation (HSL)50%
Lightness19.61%
Dominant channelBlue
Hex per channelR 19 · G 19 · B 4B

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Every value on this page was computed from “19194b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.