Colour

#0A368B

#0A368B
Blue
Dark
Nearest: Dark slateblue

#0A368B is a blue with RGB values 10, 54, 139 and HSL 220°, 87%, 29%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0A368B#0A368B

HEX#0A368B

RGBrgb(10, 54, 139)

RGB (0–1)0.0392, 0.2118, 0.5451

RGB percentages3.9%, 21.2%, 54.5%

HSLhsl(219.5, 86.6%, 29.2%)

HSV / HSBhsv(219.5, 92.8%, 54.5%)

CMYK92.8%, 61.2%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer669,323

CSS custom property--colour: #0A368B;

Brightness & contrast

Relative luminance0.04567WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.98:1

Contrast with white10.98:1WCAG normal text: AAA

Contrast with black1.91:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#F5C974

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00428Eno red cones; affects about 1% of men; ΔE 9.4 from the original

Deuteranopia#003789no green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#004C5Bno blue cones; rare, and affects men and women equally; ΔE 51.2 from the original

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

Contrast with white, large text10.98:1WCAG large text: AAA

Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.3 Midnight blue · ΔE 14.1 Rebecca purple · ΔE 23 Slate blue · ΔE 25.5 Royal blue · ΔE 27 Indigo · ΔE 30.7

Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.32, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B5F0A

Analogous#0A778B, #1F0A8B

Triadic#8B0A36, #368B0A

Split complementary#8B1E0A, #778B0A

Tetradic#8B0A76, #8B5F0A, #0A8B1E

Tints, shades & saturation

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

Lighter +40%#6D9BF4

Lighter +30%#3D7AF1

Lighter +20%#115BEA

Lighter +10%#0D48BB

Darker −10%#07245B

Darker −20%#03112C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003395

Less saturated −25%#1D3C78

Channel breakdown

R10

G54

B139

Red10 (3.9%)

Green54 (21.2%)

Blue139 (54.5%)

Hue219.53°

Saturation (HSL)86.58%

Lightness29.22%

Dominant channelBlue

Hex per channelR 0A · G 36 · B 8B

Keep nerding

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

#0A368B

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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