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Recognised as Colour

#242B73

  • #242B73
  • Blue
  • Dark
  • Nearest: Dark slateblue

#242B73 is a blue with RGB values 36, 43, 115 and HSL 235°, 52%, 30%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#242B73#242B73
HEX#242B73
RGBrgb(36, 43, 115)
RGB (0–1)0.1412, 0.1686, 0.451
RGB percentages14.1%, 16.9%, 45.1%
HSLhsl(234.7, 52.3%, 29.6%)
HSV / HSBhsv(234.7, 68.7%, 45.1%)
CMYK68.7%, 62.6%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,370,419
CSS custom property--colour: #242B73;

Brightness & contrast

Relative luminance0.03341WCAG 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 12.59:1
Contrast with white12.59:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#DBD48C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003775no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#003072no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#003D4Ano blue cones; rare, and affects men and women equally; ΔE 45.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.59:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.2Midnight blue · ΔE 13Rebecca purple · ΔE 24.1Indigo · ΔE 31.3Slate blue · ΔE 31.6Navy · ΔE 34.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#736C24
Analogous#245373, #452473
Triadic#73242B, #2B7324
Split complementary#734524, #527324
Tetradic#732452, #736C24, #247345

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8990DA
Lighter +30%#626CCE
Lighter +20%#3C48C1
Lighter +10%#303A9A
Darker −10%#181C4C
Darker −20%#0C0E25
Darker −30%#000000
Darker −40%#000000
More saturated +25%#111B86
Less saturated −25%#373B60

Channel breakdown

R36
G43
B115
Red36 (14.1%)
Green43 (16.9%)
Blue115 (45.1%)
Hue234.68°
Saturation (HSL)52.32%
Lightness29.61%
Dominant channelBlue
Hex per channelR 24 · G 2B · B 73

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Every value on this page was computed from “242b73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.