Colour

#00318E

#00318E
Blue
Dark
Nearest: Midnight blue

#00318E is a blue with RGB values 0, 49, 142 and HSL 219°, 100%, 28%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00318E#00318E

HEX#00318E

RGBrgb(0, 49, 142)

RGB (0–1)0, 0.1922, 0.5569

RGB percentages0%, 19.2%, 55.7%

HSLhsl(219.3, 100%, 27.8%)

HSV / HSBhsv(219.3, 100%, 55.7%)

CMYK100%, 65.5%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,686

CSS custom property--colour: #00318E;

Brightness & contrast

Relative luminance0.0415WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.48:1

Contrast with white11.48:1WCAG normal text: AAA

Contrast with black1.83:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#FFCE71

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004091no red cones; affects about 1% of men; ΔE 11.7 from the original

Deuteranopia#00338Cno green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#004A5Bno blue cones; rare, and affects men and women equally; ΔE 55.5 from the original

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

Contrast with white, large text11.48:1WCAG large text: AAA

Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.5 Dark slateblue · ΔE 14.5 Rebecca purple · ΔE 20.8 Slate blue · ΔE 23.7 Royal blue · ΔE 25.8 Indigo · ΔE 26.2

Nearest named CSS colourMidnight blue (#191970)ΔE 11.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8E5D00

Analogous#00788E, #16008E

Triadic#8E0031, #318E00

Split complementary#8E1600, #788E00

Tetradic#8E0078, #8E5D00, #008E16

Tints, shades & saturation

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

Lighter +40%#5B94FF

Lighter +30%#2872FF

Lighter +20%#0054F4

Lighter +10%#0043C1

Darker −10%#001F5B

Darker −20%#000E28

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00318E

Less saturated −25%#12367C

Channel breakdown

G49

B142

Red0 (0%)

Green49 (19.2%)

Blue142 (55.7%)

Hue219.3°

Saturation (HSL)100%

Lightness27.84%

Dominant channelBlue

Hex per channelR 00 · G 31 · B 8E

Keep nerding

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

#00318E

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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