Colour

#3047CB

#3047CB
Blue
Dark
Nearest: Slate blue

#3047CB is a blue with RGB values 48, 71, 203 and HSL 231°, 62%, 49%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3047CB#3047CB

HEX#3047CB

RGBrgb(48, 71, 203)

RGB (0–1)0.1882, 0.2784, 0.7961

RGB percentages18.8%, 27.8%, 79.6%

HSLhsl(231.1, 61.8%, 49.2%)

HSV / HSBhsv(231.1, 76.4%, 79.6%)

CMYK76.4%, 65%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,164,107

CSS custom property--colour: #3047CB;

Brightness & contrast

Relative luminance0.09447WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.27:1

Contrast with white7.27:1WCAG normal text: AAA

Contrast with black2.89:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#CFB834

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005ECFno red cones; affects about 1% of men; ΔE 18.1 from the original

Deuteranopia#004FC9no green cones; the most common form, about 1% of men; ΔE 9 from the original

Tritanopia#006A83no blue cones; rare, and affects men and women equally; ΔE 73.5 from the original

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

Contrast with white, large text7.27:1WCAG large text: AAA

Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.5 Medium slateblue · ΔE 16.5 Royal blue · ΔE 16.9 Rebecca purple · ΔE 24.3 Dark blue · ΔE 25.5 Navy · ΔE 26.4

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.53, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CBB430

Analogous#3094CB, #6730CB

Triadic#CB3047, #47CB30

Split complementary#CB6730, #94CB30

Tetradic#CB3094, #CBB430, #30CB67

Tints, shades & saturation

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

Lighter +40%#D3D8F4

Lighter +30%#A9B3EB

Lighter +20%#808EE1

Lighter +10%#576AD7

Darker −10%#2639A2

Darker −20%#1C2A79

Darker −30%#131C4F

Darker −40%#090D26

More saturated +25%#1131EA

Less saturated −25%#4F5DAC

Channel breakdown

R48

G71

B203

Red48 (18.8%)

Green71 (27.8%)

Blue203 (79.6%)

Hue231.1°

Saturation (HSL)61.75%

Lightness49.22%

Dominant channelBlue

Hex per channelR 30 · G 47 · B CB

Keep nerding

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

#3047CB

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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