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Recognised as Colour

#242C71

  • #242C71
  • Blue
  • Dark
  • Nearest: Dark slateblue

#242C71 is a blue with RGB values 36, 44, 113 and HSL 234°, 52%, 29%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#242C71#242C71
HEX#242C71
RGBrgb(36, 44, 113)
RGB (0–1)0.1412, 0.1725, 0.4431
RGB percentages14.1%, 17.3%, 44.3%
HSLhsl(233.8, 51.7%, 29.2%)
HSV / HSBhsv(233.8, 68.1%, 44.3%)
CMYK68.1%, 61.1%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,370,673
CSS custom property--colour: #242C71;

Brightness & contrast

Relative luminance0.03369WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.55:1
Contrast with white12.55:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#DBD38E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003773no red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#003070no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#003D4Ano blue cones; rare, and affects men and women equally; ΔE 43.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.55:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.8Midnight blue · ΔE 14.9Rebecca purple · ΔE 25.6Slate blue · ΔE 32.9Indigo · ΔE 33.2Royal blue · ΔE 36.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#716924
Analogous#245271, #422471
Triadic#71242C, #2C7124
Split complementary#714224, #527124
Tetradic#712452, #716924, #247142

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8890D9
Lighter +30%#616CCD
Lighter +20%#3D4ABE
Lighter +10%#303B98
Darker −10%#181D4A
Darker −20%#0B0E24
Darker −30%#000000
Darker −40%#000000
More saturated +25%#111D84
Less saturated −25%#373B5E

Channel breakdown

R36
G44
B113
Red36 (14.1%)
Green44 (17.3%)
Blue113 (44.3%)
Hue233.77°
Saturation (HSL)51.68%
Lightness29.22%
Dominant channelBlue
Hex per channelR 24 · G 2C · B 71

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Every value on this page was computed from “242c71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.