Colour

#00368E

#00368E
Blue
Dark
Nearest: Dark slateblue

#00368E is a blue with RGB values 0, 54, 142 and HSL 217°, 100%, 28%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00368E#00368E

HEX#00368E

RGBrgb(0, 54, 142)

RGB (0–1)0, 0.2118, 0.5569

RGB percentages0%, 21.2%, 55.7%

HSLhsl(217.2, 100%, 27.8%)

HSV / HSBhsv(217.2, 100%, 55.7%)

CMYK100%, 62%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,966

CSS custom property--colour: #00368E;

Brightness & contrast

Relative luminance0.04591WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.95:1

Contrast with white10.95:1WCAG normal text: AAA

Contrast with black1.92:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#FFC971

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004391no red cones; affects about 1% of men; ΔE 10 from the original

Deuteranopia#00378Cno green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#004D5Cno blue cones; rare, and affects men and women equally; ΔE 53.1 from the original

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

Contrast with white, large text10.95:1WCAG large text: AAA

Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.5 Midnight blue · ΔE 13.9 Rebecca purple · ΔE 22.6 Slate blue · ΔE 24.7 Royal blue · ΔE 25.9 Indigo · ΔE 29.9

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.46, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8E5800

Analogous#007D8E, #11008E

Triadic#8E0036, #368E00

Split complementary#8E1100, #7D8E00

Tetradic#8E007D, #8E5800, #008E11

Tints, shades & saturation

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

Lighter +40%#5B99FF

Lighter +30%#287AFF

Lighter +20%#005DF4

Lighter +10%#0049C1

Darker −10%#00235B

Darker −20%#000F28

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00368E

Less saturated −25%#123A7C

Channel breakdown

G54

B142

Red0 (0%)

Green54 (21.2%)

Blue142 (55.7%)

Hue217.18°

Saturation (HSL)100%

Lightness27.84%

Dominant channelBlue

Hex per channelR 00 · G 36 · B 8E

Keep nerding

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#00368E

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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