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Recognised as Colour

#243C48

  • #243C48
  • Blue
  • Dark
  • Nearest: Dark slate grey

#243C48 is a blue with RGB values 36, 60, 72 and HSL 200°, 33%, 21%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#243C48#243C48
HEX#243C48
RGBrgb(36, 60, 72)
RGB (0–1)0.1412, 0.2353, 0.2824
RGB percentages14.1%, 23.5%, 28.2%
HSLhsl(200, 33.3%, 21.2%)
HSV / HSBhsv(200, 50%, 28.2%)
CMYK50%, 16.7%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,374,728
CSS custom property--colour: #243C48;

Brightness & contrast

Relative luminance0.04075WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.57:1
Contrast with white11.57:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#DBC3B7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#363B49no red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#313748no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#143F40no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.57:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.6Dim grey · ΔE 23.6Black · ΔE 26.6Slate grey · ΔE 29.1Gray · ΔE 31.9Light slate grey · ΔE 32.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#483024
Analogous#244842, #242A48
Triadic#48243C, #3C4824
Split complementary#48242A, #484224
Tetradic#422448, #483024, #2A4824

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BA7BD
Lighter +30%#5990AC
Lighter +20%#46758C
Lighter +10%#35586A
Darker −10%#132026
Darker −20%#020304
Darker −30%#000000
Darker −40%#000000
More saturated +25%#164156
Less saturated −25%#32383B

Channel breakdown

R36
G60
B72
Red36 (14.1%)
Green60 (23.5%)
Blue72 (28.2%)
Hue200°
Saturation (HSL)33.33%
Lightness21.18%
Dominant channelBlue
Hex per channelR 24 · G 3C · B 48

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Every value on this page was computed from “243c48” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.