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Colour

#263C9F

  • #263C9F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#263C9F is a blue with RGB values 38, 60, 159 and HSL 229°, 61%, 39%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#263C9F#263C9F
HEX#263C9F
RGBrgb(38, 60, 159)
RGB (0–1)0.149, 0.2353, 0.6235
RGB percentages14.9%, 23.5%, 62.4%
HSLhsl(229.1, 61.4%, 38.6%)
HSV / HSBhsv(229.1, 76.1%, 62.4%)
CMYK76.1%, 62.3%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,505,887
CSS custom property--colour: #263C9F;

Brightness & contrast

Relative luminance0.06147WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.42:1
Contrast with white9.42:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#D9C360

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CA2no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#00419Dno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#005567no blue cones; rare, and affects men and women equally; ΔE 58.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.42:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.2Midnight blue · ΔE 15.9Slate blue · ΔE 17.7Rebecca purple · ΔE 17.9Royal blue · ΔE 20.3Indigo · ΔE 25.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F8926
Analogous#26789F, #4D269F
Triadic#9F263C, #3C9F26
Split complementary#9F4D26, #789F26
Tetradic#9F2679, #9F8926, #269F4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7B3EA
Lighter +30%#7E90E0
Lighter +20%#556CD6
Lighter +10%#304CC8
Darker −10%#1C2C76
Darker −20%#121D4D
Darker −30%#080D24
Darker −40%#000000
More saturated +25%#0D2CB8
Less saturated −25%#3F4C86

Channel breakdown

R38
G60
B159
Red38 (14.9%)
Green60 (23.5%)
Blue159 (62.4%)
Hue229.09°
Saturation (HSL)61.42%
Lightness38.63%
Dominant channelBlue
Hex per channelR 26 · G 3C · B 9F

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Every value on this page was computed from “263c9f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.