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Recognised as Colour

#263CBF

  • #263CBF
  • Blue
  • Dark
  • Nearest: Slate blue

#263CBF is a blue with RGB values 38, 60, 191 and HSL 231°, 67%, 45%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#263CBF#263CBF
HEX#263CBF
RGBrgb(38, 60, 191)
RGB (0–1)0.149, 0.2353, 0.749
RGB percentages14.9%, 23.5%, 74.9%
HSLhsl(231.4, 66.8%, 44.9%)
HSV / HSBhsv(231.4, 80.1%, 74.9%)
CMYK80.1%, 68.6%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,505,919
CSS custom property--colour: #263CBF;

Brightness & contrast

Relative luminance0.07405WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.46:1
Contrast with white8.46:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#D9C340

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054C3no red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#0046BDno green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#006079no blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.46:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18.2Medium slateblue · ΔE 20.1Royal blue · ΔE 20.8Dark blue · ΔE 21Navy · ΔE 22Rebecca purple · ΔE 23.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFA926
Analogous#2689BF, #5C26BF
Triadic#BF263C, #3CBF26
Split complementary#BF5D26, #89BF26
Tetradic#BF2689, #BFA926, #26BF5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFC6F2
Lighter +30%#94A1EA
Lighter +20%#6A7BE1
Lighter +10%#3F55D9
Darker −10%#1E2F94
Darker −20%#15216A
Darker −30%#0D143F
Darker −40%#040715
More saturated +25%#0928DC
Less saturated −25%#4350A2

Channel breakdown

R38
G60
B191
Red38 (14.9%)
Green60 (23.5%)
Blue191 (74.9%)
Hue231.37°
Saturation (HSL)66.81%
Lightness44.9%
Dominant channelBlue
Hex per channelR 26 · G 3C · B BF

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