Colour

#000A31

#000A31
Blue
Dark
Nearest: Black

#000A31 is a blue with RGB values 0, 10, 49 and HSL 228°, 100%, 10%. It is a dark colour, so white text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#000A31#000A31

HEX#000A31

RGBrgb(0, 10, 49)

RGB (0–1)0, 0.0392, 0.1922

RGB percentages0%, 3.9%, 19.2%

HSLhsl(227.8, 100%, 9.6%)

HSV / HSBhsv(227.8, 100%, 19.2%)

CMYK100%, 79.6%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,609

CSS custom property--colour: #000A31;

Brightness & contrast

Relative luminance0.00439WCAG 2.x, 0 is black and 1 is white

Perceived brightness18.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.31:1

Contrast with white19.31:1WCAG normal text: AAA

Contrast with black1.09:1WCAG normal text: Fail

Greyscale equivalent#0B0B0B

Inverted#FFF5CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001132no red cones; affects about 1% of men; ΔE 3.9 from the original

Deuteranopia#000B30no green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#00151Cno blue cones; rare, and affects men and women equally; ΔE 23.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.31:1WCAG large text: AAA

Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 27.9 Midnight blue · ΔE 34.4 Dark slateblue · ΔE 35.3 Dark slate grey · ΔE 41.3 Rebecca purple · ΔE 48.7 Dim grey · ΔE 49

Nearest named CSS colourBlack (#000000)ΔE 27.87, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#312700

Analogous#002231, #0F0031

Triadic#31000A, #0A3100

Split complementary#310F00, #233100

Tetradic#310022, #312700, #00310E

Tints, shades & saturation

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

Lighter +40%#0034FD

Lighter +30%#0029CA

Lighter +20%#001F97

Lighter +10%#001464

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000A31

Less saturated −25%#060E2B

Channel breakdown

G10

B49

Red0 (0%)

Green10 (3.9%)

Blue49 (19.2%)

Hue227.76°

Saturation (HSL)100%

Lightness9.61%

Dominant channelBlue

Hex per channelR 00 · G 0A · B 31

Keep nerding

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

#000A31

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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