Colour

#033C9B

#033C9B
Blue
Dark
Nearest: Dark slateblue

#033C9B is a blue with RGB values 3, 60, 155 and HSL 218°, 96%, 31%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#033C9B#033C9B

HEX#033C9B

RGBrgb(3, 60, 155)

RGB (0–1)0.0118, 0.2353, 0.6078

RGB percentages1.2%, 23.5%, 60.8%

HSLhsl(217.5, 96.2%, 31%)

HSV / HSBhsv(217.5, 98.1%, 60.8%)

CMYK98.1%, 61.3%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer212,123

CSS custom property--colour: #033C9B;

Brightness & contrast

Relative luminance0.05618WCAG 2.x, 0 is black and 1 is white

Perceived brightness69.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.89:1

Contrast with white9.89:1WCAG normal text: AAA

Contrast with black2.12:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#FCC364

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004A9Eno red cones; affects about 1% of men; ΔE 10.8 from the original

Deuteranopia#003D99no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#005565no blue cones; rare, and affects men and women equally; ΔE 56.6 from the original

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

Contrast with white, large text9.89:1WCAG large text: AAA

Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.3 Midnight blue · ΔE 16.2 Slate blue · ΔE 21.1 Rebecca purple · ΔE 21.6 Royal blue · ΔE 21.7 Indigo · ΔE 29.3

Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.28, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9B6203

Analogous#03889B, #16039B

Triadic#9B033C, #3C9B03

Split complementary#9B1603, #889B03

Tetradic#9B0388, #9B6203, #039B16

Tints, shades & saturation

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

Lighter +40%#6EA3FC

Lighter +30%#3C84FB

Lighter +20%#0A64FA

Lighter +10%#044FCD

Darker −10%#022969

Darker −20%#011537

Darker −30%#000205

Darker −40%#000000

More saturated +25%#003B9E

Less saturated −25%#174187

Channel breakdown

G60

B155

Red3 (1.2%)

Green60 (23.5%)

Blue155 (60.8%)

Hue217.5°

Saturation (HSL)96.2%

Lightness30.98%

Dominant channelBlue

Hex per channelR 03 · G 3C · B 9B

Keep nerding

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

#033C9B

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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