Colour

#0A366D

#0A366D
Blue
Dark
Nearest: Dark slateblue

#0A366D is a blue with RGB values 10, 54, 109 and HSL 213°, 83%, 23%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0A366D#0A366D

HEX#0A366D

RGBrgb(10, 54, 109)

RGB (0–1)0.0392, 0.2118, 0.4275

RGB percentages3.9%, 21.2%, 42.7%

HSLhsl(213.3, 83.2%, 23.3%)

HSV / HSBhsv(213.3, 90.8%, 42.7%)

CMYK90.8%, 50.5%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer669,293

CSS custom property--colour: #0A366D;

Brightness & contrast

Relative luminance0.03807WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.92:1

Contrast with white11.92:1WCAG normal text: AAA

Contrast with black1.76:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#F5C992

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#163C6Fno red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#00336Cno green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#00434Cno blue cones; rare, and affects men and women equally; ΔE 34.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.92:1WCAG large text: AAA

Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20 Midnight blue · ΔE 27.7 Steel blue · ΔE 32.3 Rebecca purple · ΔE 37.4 Dark slate grey · ΔE 39 Slate grey · ΔE 40.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.05, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6D410A

Analogous#0A686D, #0F0A6D

Triadic#6D0A36, #366D0A

Split complementary#6D0F0A, #686D0A

Tetradic#6D0A68, #6D410A, #0A6D0F

Tints, shades & saturation

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

Lighter +40%#5499EF

Lighter +30%#257DEB

Lighter +20%#1364CA

Lighter +10%#0E4D9C

Darker −10%#061F3E

Darker −20%#010810

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003577

Less saturated −25%#19385E

Channel breakdown

R10

G54

B109

Red10 (3.9%)

Green54 (21.2%)

Blue109 (42.7%)

Hue213.33°

Saturation (HSL)83.19%

Lightness23.33%

Dominant channelBlue

Hex per channelR 0A · G 36 · B 6D

Keep nerding

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

#0A366D

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