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Recognised as Colour

#19225E

  • #19225E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#19225E is a blue with RGB values 25, 34, 94 and HSL 232°, 58%, 23%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#19225E#19225E
HEX#19225E
RGBrgb(25, 34, 94)
RGB (0–1)0.098, 0.1333, 0.3686
RGB percentages9.8%, 13.3%, 36.9%
HSLhsl(232.2, 58%, 23.3%)
HSV / HSBhsv(232.2, 73.4%, 36.9%)
CMYK73.4%, 63.8%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,647,198
CSS custom property--colour: #19225E;

Brightness & contrast

Relative luminance0.02159WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.67:1
Contrast with white14.67:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#E6DDA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002C60no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#00255Dno green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#00313Cno 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 text14.67:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.1Midnight blue · ΔE 18.1Rebecca purple · ΔE 31.1Indigo · ΔE 37.1Slate blue · ΔE 39.7Navy · ΔE 40.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E5519
Analogous#19455E, #32195E
Triadic#5E1922, #225E19
Split complementary#5E3219, #455E19
Tetradic#5E1945, #5E5519, #195E32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6B79D8
Lighter +30%#4355CD
Lighter +20%#2E3FAF
Lighter +10%#243186
Darker −10%#0E1336
Darker −20%#04050D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A176D
Less saturated −25%#282D4F

Channel breakdown

R25
G34
B94
Red25 (9.8%)
Green34 (13.3%)
Blue94 (36.9%)
Hue232.17°
Saturation (HSL)57.98%
Lightness23.33%
Dominant channelBlue
Hex per channelR 19 · G 22 · B 5E

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Every value on this page was computed from “19225e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.