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Recognised as Colour

#243C5C

  • #243C5C
  • Blue
  • Dark
  • Nearest: Dark slate grey

#243C5C is a blue with RGB values 36, 60, 92 and HSL 214°, 44%, 25%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#243C5C#243C5C
HEX#243C5C
RGBrgb(36, 60, 92)
RGB (0–1)0.1412, 0.2353, 0.3608
RGB percentages14.1%, 23.5%, 36.1%
HSLhsl(214.3, 43.8%, 25.1%)
HSV / HSBhsv(214.3, 60.9%, 36.1%)
CMYK60.9%, 34.8%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,374,748
CSS custom property--colour: #243C5C;

Brightness & contrast

Relative luminance0.04379WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.19:1
Contrast with white11.19:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#DBC3A3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F3E5Dno red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#28395Bno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#004347no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.19:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.4Dim grey · ΔE 29.4Steel blue · ΔE 30Slate grey · ΔE 30.4Dark slateblue · ΔE 32.3Light slate grey · ΔE 33.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C4424
Analogous#24585C, #28245C
Triadic#5C243C, #3C5C24
Split complementary#5C2824, #585C24
Tetradic#5C2458, #5C4424, #245C28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7FA0CD
Lighter +30%#5A85BF
Lighter +20%#416CA5
Lighter +10%#325481
Darker −10%#162437
Darker −20%#070C13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#143A6C
Less saturated −25%#343E4C

Channel breakdown

R36
G60
B92
Red36 (14.1%)
Green60 (23.5%)
Blue92 (36.1%)
Hue214.29°
Saturation (HSL)43.75%
Lightness25.1%
Dominant channelBlue
Hex per channelR 24 · G 3C · B 5C

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Every value on this page was computed from “243c5c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.