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Recognised as Colour

#243CDD

  • #243CDD
  • Blue
  • Dark
  • Nearest: Medium blue

#243CDD is a blue with RGB values 36, 60, 221 and HSL 232°, 73%, 50%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#243CDD#243CDD
HEX#243CDD
RGBrgb(36, 60, 221)
RGB (0–1)0.1412, 0.2353, 0.8667
RGB percentages14.1%, 23.5%, 86.7%
HSLhsl(232.2, 73.1%, 50.4%)
HSV / HSBhsv(232.2, 83.7%, 86.7%)
CMYK83.7%, 72.9%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,374,877
CSS custom property--colour: #243CDD;

Brightness & contrast

Relative luminance0.08827WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.59:1
Contrast with white7.59:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#DBC322

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DE2no red cones; affects about 1% of men; ΔE 23.5 from the original
Deuteranopia#004BDAno green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#006B89no blue cones; rare, and affects men and women equally; ΔE 87.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.59:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Medium blue · ΔE 22Blue violet · ΔE 22.5Dark blue · ΔE 25.3Medium slateblue · ΔE 25.7Dark orchid · ΔE 28.6Navy · ΔE 29.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 22.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDC524
Analogous#2498DD, #6924DD
Triadic#DD243C, #3CDD24
Split complementary#DD6924, #98DD24
Tetradic#DD2498, #DDC524, #24DD69

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5D9F8
Lighter +30%#A8B2F2
Lighter +20%#7C8BEB
Lighter +10%#5063E4
Darker −10%#1C2FB2
Darker −20%#152486
Darker −30%#0E185A
Darker −40%#070C2E
More saturated +25%#0425FD
Less saturated −25%#4453BD

Channel breakdown

R36
G60
B221
Red36 (14.1%)
Green60 (23.5%)
Blue221 (86.7%)
Hue232.22°
Saturation (HSL)73.12%
Lightness50.39%
Dominant channelBlue
Hex per channelR 24 · G 3C · B DD

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