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Recognised as Colour

#263B9B

  • #263B9B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#263B9B is a blue with RGB values 38, 59, 155 and HSL 229°, 61%, 38%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#263B9B#263B9B
HEX#263B9B
RGBrgb(38, 59, 155)
RGB (0–1)0.149, 0.2314, 0.6078
RGB percentages14.9%, 23.1%, 60.8%
HSLhsl(229.2, 60.6%, 37.8%)
HSV / HSBhsv(229.2, 75.5%, 60.8%)
CMYK75.5%, 61.9%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,505,627
CSS custom property--colour: #263B9B;

Brightness & contrast

Relative luminance0.05907WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.63:1
Contrast with white9.63:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#D9C464

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004A9Eno red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#003F99no green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#005365no blue cones; rare, and affects men and women equally; ΔE 56.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.63:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.7Midnight blue · ΔE 15Rebecca purple · ΔE 18Slate blue · ΔE 18.8Royal blue · ΔE 21.5Indigo · ΔE 26.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B8626
Analogous#26759B, #4C269B
Triadic#9B263B, #3B9B26
Split complementary#9B4B26, #769B26
Tetradic#9B2675, #9B8626, #269B4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4B1E9
Lighter +30%#7B8DDF
Lighter +20%#526AD5
Lighter +10%#304BC4
Darker −10%#1C2B72
Darker −20%#121C49
Darker −30%#080C20
Darker −40%#000000
More saturated +25%#0E2CB3
Less saturated −25%#3E4A83

Channel breakdown

R38
G59
B155
Red38 (14.9%)
Green59 (23.1%)
Blue155 (60.8%)
Hue229.23°
Saturation (HSL)60.62%
Lightness37.84%
Dominant channelBlue
Hex per channelR 26 · G 3B · B 9B

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Every value on this page was computed from “263b9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.