Colour

#003FB2

#003FB2
Blue
Dark
Nearest: Slate blue

#003FB2 is a blue with RGB values 0, 63, 178 and HSL 219°, 100%, 35%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#003FB2#003FB2

HEX#003FB2

RGBrgb(0, 63, 178)

RGB (0–1)0, 0.2471, 0.698

RGB percentages0%, 24.7%, 69.8%

HSLhsl(218.8, 100%, 34.9%)

HSV / HSBhsv(218.8, 100%, 69.8%)

CMYK100%, 64.6%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,306

CSS custom property--colour: #003FB2;

Brightness & contrast

Relative luminance0.06769WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.92:1

Contrast with white8.92:1WCAG normal text: AAA

Contrast with black2.35:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#FFC04D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0051B6no red cones; affects about 1% of men; ΔE 13.3 from the original

Deuteranopia#0042B0no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#005E72no blue cones; rare, and affects men and women equally; ΔE 66.5 from the original

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

Contrast with white, large text8.92:1WCAG large text: AAA

Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.7 Royal blue · ΔE 17.2 Rebecca purple · ΔE 21.7 Midnight blue · ΔE 21.9 Medium slateblue · ΔE 23.3 Dark slateblue · ΔE 23.5

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.71, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B27300

Analogous#0098B2, #1A00B2

Triadic#B2003F, #3FB200

Split complementary#B21A00, #98B200

Tetradic#B20098, #B27300, #00B21A

Tints, shades & saturation

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

Lighter +40%#7FACFF

Lighter +30%#4C8BFF

Lighter +20%#196AFF

Lighter +10%#0051E5

Darker −10%#002D7F

Darker −20%#001B4C

Darker −30%#000919

Darker −40%#000000

More saturated +25%#003FB2

Less saturated −25%#16469C

Channel breakdown

G63

B178

Red0 (0%)

Green63 (24.7%)

Blue178 (69.8%)

Hue218.76°

Saturation (HSL)100%

Lightness34.9%

Dominant channelBlue

Hex per channelR 00 · G 3F · B B2

Keep nerding

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

#003FB2

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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