Colour

#243DB0

#243DB0
Blue
Dark
Nearest: Slate blue

#243DB0 is a blue with RGB values 36, 61, 176 and HSL 229°, 66%, 42%. 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

#243DB0#243DB0

HEX#243DB0

RGBrgb(36, 61, 176)

RGB (0–1)0.1412, 0.2392, 0.6902

RGB percentages14.1%, 23.9%, 69%

HSLhsl(229.3, 66%, 41.6%)

HSV / HSBhsv(229.3, 79.5%, 69%)

CMYK79.5%, 65.3%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,375,088

CSS custom property--colour: #243DB0;

Brightness & contrast

Relative luminance0.06847WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.86:1

Contrast with white8.86:1WCAG normal text: AAA

Contrast with black2.37:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#DBC24F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0051B4no red cones; affects about 1% of men; ΔE 15.7 from the original

Deuteranopia#0043AEno green cones; the most common form, about 1% of men; ΔE 7.1 from the original

Tritanopia#005C71no blue cones; rare, and affects men and women equally; ΔE 66.3 from the original

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

Contrast with white, large text8.86:1WCAG large text: AAA

Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.3 Royal blue · ΔE 17.9 Rebecca purple · ΔE 19.1 Midnight blue · ΔE 21 Medium slateblue · ΔE 22.2 Dark slateblue · ΔE 22.7

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.3, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B09724

Analogous#2483B0, #5124B0

Triadic#B0243D, #3DB024

Split complementary#B05124, #83B024

Tetradic#B02483, #B09724, #24B051

Tints, shades & saturation

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

Lighter +40%#B1BCEF

Lighter +30%#8798E6

Lighter +20%#5C73DE

Lighter +10%#324FD5

Darker −10%#1B2E86

Darker −20%#13205B

Darker −30%#0A1131

Darker −40%#010207

More saturated +25%#092CCB

Less saturated −25%#3E4E96

Channel breakdown

R36

G61

B176

Red36 (14.1%)

Green61 (23.9%)

Blue176 (69%)

Hue229.29°

Saturation (HSL)66.04%

Lightness41.57%

Dominant channelBlue

Hex per channelR 24 · G 3D · B B0

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#243DB0

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

Nerdulate something else