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Recognised as Colour

#242F48

  • #242F48
  • Blue
  • Dark
  • Nearest: Dark slate grey

#242F48 is a blue with RGB values 36, 47, 72 and HSL 222°, 33%, 21%. 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 slate grey.

Colour values

#242F48#242F48
HEX#242F48
RGBrgb(36, 47, 72)
RGB (0–1)0.1412, 0.1843, 0.2824
RGB percentages14.1%, 18.4%, 28.2%
HSLhsl(221.7, 33.3%, 21.2%)
HSV / HSBhsv(221.7, 50%, 28.2%)
CMYK50%, 34.7%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,371,400
CSS custom property--colour: #242F48;

Brightness & contrast

Relative luminance0.02876WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.33:1
Contrast with white13.33:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#DBD0B7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#263149no red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#222E47no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#173438no blue cones; rare, and affects men and women equally; ΔE 17 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.33:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.2Black · ΔE 26.1Dim grey · ΔE 30.3Slate grey · ΔE 34.3Dark slateblue · ΔE 35.7Steel blue · ΔE 37
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#483D24
Analogous#244148, #2B2448
Triadic#48242F, #2F4824
Split complementary#482B24, #414824
Tetradic#482441, #483D24, #24482B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7B8FBD
Lighter +30%#5972AC
Lighter +20%#465B8C
Lighter +10%#35456A
Darker −10%#131926
Darker −20%#020304
Darker −30%#000000
Darker −40%#000000
More saturated +25%#162A56
Less saturated −25%#32343B

Channel breakdown

R36
G47
B72
Red36 (14.1%)
Green47 (18.4%)
Blue72 (28.2%)
Hue221.67°
Saturation (HSL)33.33%
Lightness21.18%
Dominant channelBlue
Hex per channelR 24 · G 2F · B 48

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Every value on this page was computed from “242f48” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.