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Recognised as Colour

#19215E

  • #19215E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#19215E is a blue with RGB values 25, 33, 94 and HSL 233°, 58%, 23%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#19215E#19215E
HEX#19215E
RGBrgb(25, 33, 94)
RGB (0–1)0.098, 0.1294, 0.3686
RGB percentages9.8%, 12.9%, 36.9%
HSLhsl(233, 58%, 23.3%)
HSV / HSBhsv(233, 73.4%, 36.9%)
CMYK73.4%, 64.9%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,646,942
CSS custom property--colour: #19215E;

Brightness & contrast

Relative luminance0.02103WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.78:1
Contrast with white14.78:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#E6DEA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B60no red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#00255Dno green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#00303Cno blue cones; rare, and affects men and women equally; ΔE 39 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.78:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.9Midnight blue · ΔE 17.3Rebecca purple · ΔE 30.5Indigo · ΔE 36.2Navy · ΔE 39.2Slate blue · ΔE 39.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E5619
Analogous#19445E, #33195E
Triadic#5E1921, #215E19
Split complementary#5E3319, #445E19
Tetradic#5E1944, #5E5619, #195E33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6B78D8
Lighter +30%#4353CD
Lighter +20%#2E3DAF
Lighter +10%#242F86
Darker −10%#0E1336
Darker −20%#04050D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A166D
Less saturated −25%#282C4F

Channel breakdown

R25
G33
B94
Red25 (9.8%)
Green33 (12.9%)
Blue94 (36.9%)
Hue233.04°
Saturation (HSL)57.98%
Lightness23.33%
Dominant channelBlue
Hex per channelR 19 · G 21 · B 5E

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Every value on this page was computed from “19215e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.