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Recognised as Colour

#13258E

  • #13258E
  • Blue
  • Dark
  • Nearest: Midnight blue

#13258E is a blue with RGB values 19, 37, 142 and HSL 231°, 76%, 32%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#13258E#13258E
HEX#13258E
RGBrgb(19, 37, 142)
RGB (0–1)0.0745, 0.1451, 0.5569
RGB percentages7.5%, 14.5%, 55.7%
HSLhsl(231.2, 76.4%, 31.6%)
HSV / HSBhsv(231.2, 86.6%, 55.7%)
CMYK86.6%, 73.9%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,254,798
CSS custom property--colour: #13258E;

Brightness & contrast

Relative luminance0.03415WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.48:1
Contrast with white12.48:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#ECDA71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003A91no red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#002E8Cno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#004357no blue cones; rare, and affects men and women equally; ΔE 61.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.48:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.6Navy · ΔE 16.4Indigo · ΔE 17.9Rebecca purple · ΔE 18.3Dark blue · ΔE 19.6Dark slateblue · ΔE 21.2
Nearest named CSS colourMidnight blue (#191970)ΔE 11.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E7C13
Analogous#13628E, #3F138E
Triadic#8E1325, #258E13
Split complementary#8E3F13, #628E13
Tetradic#8E1362, #8E7C13, #138E3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7F8FEE
Lighter +30%#5268E8
Lighter +20%#2541E2
Lighter +10%#1931BB
Darker −10%#0D1961
Darker −20%#070E34
Darker −30%#010207
Darker −40%#000000
More saturated +25%#0018A1
Less saturated −25%#27337A

Channel breakdown

R19
G37
B142
Red19 (7.5%)
Green37 (14.5%)
Blue142 (55.7%)
Hue231.22°
Saturation (HSL)76.4%
Lightness31.57%
Dominant channelBlue
Hex per channelR 13 · G 25 · B 8E

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Every value on this page was computed from “13258e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.