Colour

#0043CB

#0043CB
Blue
Dark
Nearest: Royal blue

#0043CB is a blue with RGB values 0, 67, 203 and HSL 220°, 100%, 40%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0043CB#0043CB

HEX#0043CB

RGBrgb(0, 67, 203)

RGB (0–1)0, 0.2627, 0.7961

RGB percentages0%, 26.3%, 79.6%

HSLhsl(220.2, 100%, 39.8%)

HSV / HSBhsv(220.2, 100%, 79.6%)

CMYK100%, 67%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,355

CSS custom property--colour: #0043CB;

Brightness & contrast

Relative luminance0.08326WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.88:1

Contrast with white7.88:1WCAG normal text: AAA

Contrast with black2.67:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#FFBC34

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005ACFno red cones; affects about 1% of men; ΔE 16.9 from the original

Deuteranopia#0049C9no green cones; the most common form, about 1% of men; ΔE 5.9 from the original

Tritanopia#006981no blue cones; rare, and affects men and women equally; ΔE 76.6 from the original

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

Contrast with white, large text7.88:1WCAG large text: AAA

Contrast with black, large text2.67:1WCAG large text: Fail

Named colours

Royal blue · ΔE 19.7 Slate blue · ΔE 19.7 Medium slateblue · ΔE 19.9 Dark blue · ΔE 24.2 Navy · ΔE 25.6 Rebecca purple · ΔE 27.6

Nearest named CSS colourRoyal blue (#4169E1)ΔE 19.72, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CB8800

Analogous#00A9CB, #2200CB

Triadic#CB0043, #43CB00

Split complementary#CB2300, #A9CB00

Tetradic#CB00A9, #CB8800, #00CB23

Tints, shades & saturation

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

Lighter +40%#98BAFF

Lighter +30%#6598FF

Lighter +20%#3276FF

Lighter +10%#0054FE

Darker −10%#003298

Darker −20%#002165

Darker −30%#001132

Darker −40%#000000

More saturated +25%#0043CB

Less saturated −25%#194CB2

Channel breakdown

G67

B203

Red0 (0%)

Green67 (26.3%)

Blue203 (79.6%)

Hue220.2°

Saturation (HSL)100%

Lightness39.8%

Dominant channelBlue

Hex per channelR 00 · G 43 · B CB

Keep nerding

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

#0043CB

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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