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Colour

#243D69

  • #243D69
  • Blue
  • Dark
  • Nearest: Dark slateblue

#243D69 is a blue with RGB values 36, 61, 105 and HSL 218°, 49%, 28%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#243D69#243D69
HEX#243D69
RGBrgb(36, 61, 105)
RGB (0–1)0.1412, 0.2392, 0.4118
RGB percentages14.1%, 23.9%, 41.2%
HSLhsl(218.3, 48.9%, 27.6%)
HSV / HSBhsv(218.3, 65.7%, 41.2%)
CMYK65.7%, 41.9%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,375,017
CSS custom property--colour: #243D69;

Brightness & contrast

Relative luminance0.04732WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.79:1
Contrast with white10.79:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#DBC296

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A416Bno red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#203B68no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#00474Eno blue cones; rare, and affects men and women equally; ΔE 29.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.79:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.8Steel blue · ΔE 28.5Dark slate grey · ΔE 30.9Slate grey · ΔE 33.3Dim grey · ΔE 34.6Midnight blue · ΔE 34.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#695024
Analogous#246069, #2E2469
Triadic#69243D, #3D6924
Split complementary#692D24, #606924
Tetradic#692460, #695024, #24692D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84A1D5
Lighter +30%#5E84C8
Lighter +20%#3E69B5
Lighter +10%#31538F
Darker −10%#172743
Darker −20%#0A111D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#12387B
Less saturated −25%#364257

Channel breakdown

R36
G61
B105
Red36 (14.1%)
Green61 (23.9%)
Blue105 (41.2%)
Hue218.26°
Saturation (HSL)48.94%
Lightness27.65%
Dominant channelBlue
Hex per channelR 24 · G 3D · B 69

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Every value on this page was computed from “243d69” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.