Colour

#0049CB

#0049CB
Blue
Dark
Nearest: Royal blue

#0049CB is a blue with RGB values 0, 73, 203 and HSL 218°, 100%, 40%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0049CB#0049CB

HEX#0049CB

RGBrgb(0, 73, 203)

RGB (0–1)0, 0.2863, 0.7961

RGB percentages0%, 28.6%, 79.6%

HSLhsl(218.4, 100%, 39.8%)

HSV / HSBhsv(218.4, 100%, 79.6%)

CMYK100%, 64%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer18,891

CSS custom property--colour: #0049CB;

Brightness & contrast

Relative luminance0.09077WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.46:1

Contrast with white7.46:1WCAG normal text: AAA

Contrast with black2.82:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#FFB634

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005ECFno red cones; affects about 1% of men; ΔE 15.4 from the original

Deuteranopia#004CC9no green cones; the most common form, about 1% of men; ΔE 3.5 from the original

Tritanopia#006C83no blue cones; rare, and affects men and women equally; ΔE 73.1 from the original

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

Contrast with white, large text7.46:1WCAG large text: AAA

Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.5 Slate blue · ΔE 16.9 Medium slateblue · ΔE 18.7 Rebecca purple · ΔE 26.4 Dark blue · ΔE 27.2 Navy · ΔE 27.8

Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.47, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CB8200

Analogous#00AFCB, #1C00CB

Triadic#CB0049, #49CB00

Split complementary#CB1C00, #AFCB00

Tetradic#CB00AF, #CB8200, #00CB1C

Tints, shades & saturation

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

Lighter +40%#98BDFF

Lighter +30%#659CFF

Lighter +20%#327CFF

Lighter +10%#005BFE

Darker −10%#003798

Darker −20%#002465

Darker −30%#001232

Darker −40%#000000

More saturated +25%#0049CB

Less saturated −25%#1950B2

Channel breakdown

G73

B203

Red0 (0%)

Green73 (28.6%)

Blue203 (79.6%)

Hue218.42°

Saturation (HSL)100%

Lightness39.8%

Dominant channelBlue

Hex per channelR 00 · G 49 · B CB

Keep nerding

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

#0049CB

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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