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Colour

#19335B

  • #19335B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#19335B is a blue with RGB values 25, 51, 91 and HSL 216°, 57%, 23%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#19335B#19335B
HEX#19335B
RGBrgb(25, 51, 91)
RGB (0–1)0.098, 0.2, 0.3569
RGB percentages9.8%, 20%, 35.7%
HSLhsl(216.4, 56.9%, 22.7%)
HSV / HSBhsv(216.4, 72.5%, 35.7%)
CMYK72.5%, 44%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,651,547
CSS custom property--colour: #19335B;

Brightness & contrast

Relative luminance0.0333WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.61:1
Contrast with white12.61:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#E6CCA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#21365Dno red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#16305Ano green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#003C42no blue cones; rare, and affects men and women equally; ΔE 27 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.61:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27.6Dark slate grey · ΔE 30.3Steel blue · ΔE 32.9Black · ΔE 34.7Midnight blue · ΔE 35.4Dim grey · ΔE 35.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B4119
Analogous#19545B, #20195B
Triadic#5B1933, #335B19
Split complementary#5B2019, #545B19
Tetradic#5B1954, #5B4119, #195B20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6A95D6
Lighter +30%#4278CB
Lighter +20%#2F60AB
Lighter +10%#244983
Darker −10%#0E1D33
Darker −20%#03060B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B306A
Less saturated −25%#27364D

Channel breakdown

R25
G51
B91
Red25 (9.8%)
Green51 (20%)
Blue91 (35.7%)
Hue216.36°
Saturation (HSL)56.9%
Lightness22.75%
Dominant channelBlue
Hex per channelR 19 · G 33 · B 5B

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Every value on this page was computed from “19335b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.