Recognised as Colour

#333B53

#333B53
Blue
Dark
Nearest: Dark slate grey

#333B53 is a blue with RGB values 51, 59, 83 and HSL 225°, 24%, 26%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#333B53#333B53

HEX#333B53

RGBrgb(51, 59, 83)

RGB (0–1)0.2, 0.2314, 0.3255

RGB percentages20%, 23.1%, 32.5%

HSLhsl(225, 23.9%, 26.3%)

HSV / HSBhsv(225, 38.6%, 32.5%)

CMYK38.6%, 28.9%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,357,523

CSS custom property--colour: #333B53;

Brightness & contrast

Relative luminance0.04456WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.1:1

Contrast with white11.1:1WCAG normal text: AAA

Contrast with black1.89:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#CCC4AC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#333D54no red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#303A52no green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#2A4043no blue cones; rare, and affects men and women equally; ΔE 15.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.1:1WCAG large text: AAA

Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.2 Dim grey · ΔE 25 Slate grey · ΔE 28.7 Black · ΔE 29.8 Light slate grey · ΔE 31.6 Gray · ΔE 32.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#534B33

Analogous#334B53, #3B3353

Triadic#53333B, #3B5333

Split complementary#533B33, #4B5333

Tetradic#53334B, #534B33, #33533B

Tints, shades & saturation

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

Lighter +40%#949FBE

Lighter +30%#7582AA

Lighter +20%#5A6892

Lighter +10%#465173

Darker −10%#202533

Darker −20%#0C0E14

Darker −30%#000000

Darker −40%#000000

More saturated +25%#223364

Less saturated −25%#434343

Channel breakdown

R51

G59

B83

Red51 (20%)

Green59 (23.1%)

Blue83 (32.5%)

Hue225°

Saturation (HSL)23.88%

Lightness26.27%

Dominant channelBlue

Hex per channelR 33 · G 3B · B 53

Keep nerding

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

#333B53

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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