Colour

#243DAE

#243DAE
Blue
Dark
Nearest: Slate blue

#243DAE is a blue with RGB values 36, 61, 174 and HSL 229°, 66%, 41%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#243DAE#243DAE

HEX#243DAE

RGBrgb(36, 61, 174)

RGB (0–1)0.1412, 0.2392, 0.6824

RGB percentages14.1%, 23.9%, 68.2%

HSLhsl(229.1, 65.7%, 41.2%)

HSV / HSBhsv(229.1, 79.3%, 68.2%)

CMYK79.3%, 64.9%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,375,086

CSS custom property--colour: #243DAE;

Brightness & contrast

Relative luminance0.06769WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.92:1

Contrast with white8.92:1WCAG normal text: AAA

Contrast with black2.35:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#DBC251

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0050B2no red cones; affects about 1% of men; ΔE 15 from the original

Deuteranopia#0043ACno green cones; the most common form, about 1% of men; ΔE 7.2 from the original

Tritanopia#005B70no blue cones; rare, and affects men and women equally; ΔE 65 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.92:1WCAG large text: AAA

Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.3 Royal blue · ΔE 17.9 Rebecca purple · ΔE 18.7 Midnight blue · ΔE 20.3 Dark slateblue · ΔE 21.6 Medium slateblue · ΔE 22.7

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.31, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#AE9524

Analogous#2482AE, #5024AE

Triadic#AE243D, #3DAE24

Split complementary#AE5024, #82AE24

Tetradic#AE2482, #AE9524, #24AE50

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#AFBBEF

Lighter +30%#8597E6

Lighter +20%#5B73DD

Lighter +10%#314ED4

Darker −10%#1B2E84

Darker −20%#131F59

Darker −30%#0A112F

Darker −40%#010205

More saturated +25%#0A2CC8

Less saturated −25%#3E4E94

Channel breakdown

R36

G61

B174

Red36 (14.1%)

Green61 (23.9%)

Blue174 (68.2%)

Hue229.13°

Saturation (HSL)65.71%

Lightness41.18%

Dominant channelBlue

Hex per channelR 24 · G 3D · B AE

Keep nerding

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#243DAE

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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