Colour

#0031BA

#0031BA
Blue
Dark
Nearest: Dark blue

#0031BA is a blue with RGB values 0, 49, 186 and HSL 224°, 100%, 36%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0031BA#0031BA

HEX#0031BA

RGBrgb(0, 49, 186)

RGB (0–1)0, 0.1922, 0.7294

RGB percentages0%, 19.2%, 72.9%

HSLhsl(224.2, 100%, 36.5%)

HSV / HSBhsv(224.2, 100%, 72.9%)

CMYK100%, 73.7%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,730

CSS custom property--colour: #0031BA;

Brightness & contrast

Relative luminance0.05742WCAG 2.x, 0 is black and 1 is white

Perceived brightness73.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.77:1

Contrast with white9.77:1WCAG normal text: AAA

Contrast with black2.15:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#FFCE45

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004CBEno red cones; affects about 1% of men; ΔE 19.7 from the original

Deuteranopia#003BB8no green cones; the most common form, about 1% of men; ΔE 8.7 from the original

Tritanopia#005973no blue cones; rare, and affects men and women equally; ΔE 76.8 from the original

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

Contrast with white, large text9.77:1WCAG large text: AAA

Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark blue · ΔE 16.8 Navy · ΔE 18.9 Indigo · ΔE 24 Slate blue · ΔE 24.2 Medium slateblue · ΔE 25 Royal blue · ΔE 26.7

Nearest named CSS colourDark blue (#00008B)ΔE 16.79, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BA8900

Analogous#008EBA, #2C00BA

Triadic#BA0031, #31BA00

Split complementary#BA2C00, #8EBA00

Tetradic#BA008E, #BA8900, #00BA2C

Tints, shades & saturation

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

Lighter +40%#87A7FF

Lighter +30%#5481FF

Lighter +20%#215BFF

Lighter +10%#003EED

Darker −10%#002487

Darker −20%#001654

Darker −30%#000921

Darker −40%#000000

More saturated +25%#0031BA

Less saturated −25%#173CA3

Channel breakdown

G49

B186

Red0 (0%)

Green49 (19.2%)

Blue186 (72.9%)

Hue224.19°

Saturation (HSL)100%

Lightness36.47%

Dominant channelBlue

Hex per channelR 00 · G 31 · B BA

Keep nerding

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

#0031BA

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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