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Recognised as Colour

#243ABC

  • #243ABC
  • Blue
  • Dark
  • Nearest: Slate blue

#243ABC is a blue with RGB values 36, 58, 188 and HSL 231°, 68%, 44%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#243ABC#243ABC
HEX#243ABC
RGBrgb(36, 58, 188)
RGB (0–1)0.1412, 0.2275, 0.7373
RGB percentages14.1%, 22.7%, 73.7%
HSLhsl(231.3, 67.9%, 43.9%)
HSV / HSBhsv(231.3, 80.9%, 73.7%)
CMYK80.9%, 69.1%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,374,332
CSS custom property--colour: #243ABC;

Brightness & contrast

Relative luminance0.07032WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.73:1
Contrast with white8.73:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#DBC543

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052C0no red cones; affects about 1% of men; ΔE 18.3 from the original
Deuteranopia#0044BAno green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#005E76no blue cones; rare, and affects men and women equally; ΔE 73.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.73:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18.5Dark blue · ΔE 20.3Medium slateblue · ΔE 20.9Navy · ΔE 21.2Royal blue · ΔE 21.3Rebecca purple · ΔE 23.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCA624
Analogous#2486BC, #5A24BC
Triadic#BC243A, #3ABC24
Split complementary#BC5A24, #86BC24
Tetradic#BC2486, #BCA624, #24BC5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAC2F2
Lighter +30%#8F9CEA
Lighter +20%#6577E1
Lighter +10%#3A51D9
Darker −10%#1C2D91
Darker −20%#142066
Darker −30%#0B123C
Darker −40%#030511
More saturated +25%#0826D8
Less saturated −25%#404EA0

Channel breakdown

R36
G58
B188
Red36 (14.1%)
Green58 (22.7%)
Blue188 (73.7%)
Hue231.32°
Saturation (HSL)67.86%
Lightness43.92%
Dominant channelBlue
Hex per channelR 24 · G 3A · B BC

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