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Colour

#242D55

  • #242D55
  • Blue
  • Dark
  • Nearest: Dark slateblue

#242D55 is a blue with RGB values 36, 45, 85 and HSL 229°, 40%, 24%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#242D55#242D55
HEX#242D55
RGBrgb(36, 45, 85)
RGB (0–1)0.1412, 0.1765, 0.3333
RGB percentages14.1%, 17.6%, 33.3%
HSLhsl(229, 40.5%, 23.7%)
HSV / HSBhsv(229, 57.6%, 33.3%)
CMYK57.6%, 47.1%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,370,901
CSS custom property--colour: #242D55;

Brightness & contrast

Relative luminance0.02908WCAG 2.x, 0 is black and 1 is white
Perceived brightness49 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.28:1
Contrast with white13.28:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#DBD2AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C3257no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#172E54no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#0D363Cno blue cones; rare, and affects men and women equally; ΔE 27.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.28:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.9Dark slate grey · ΔE 32.5Midnight blue · ΔE 33Black · ΔE 33.6Steel blue · ΔE 36.1Dim grey · ΔE 36.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#554C24
Analogous#244555, #332455
Triadic#55242D, #2D5524
Split complementary#553324, #455524
Tetradic#552445, #554C24, #245533

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7D8BC8
Lighter +30%#596BB9
Lighter +20%#42539D
Lighter +10%#334079
Darker −10%#151A31
Darker −20%#06070D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#152364
Less saturated −25%#333746

Channel breakdown

R36
G45
B85
Red36 (14.1%)
Green45 (17.6%)
Blue85 (33.3%)
Hue228.98°
Saturation (HSL)40.5%
Lightness23.73%
Dominant channelBlue
Hex per channelR 24 · G 2D · B 55

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Every value on this page was computed from “242d55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.