Colour

#33363F

#33363F
Blue
Dark
Nearest: Dark slate grey

#33363F is a blue with RGB values 51, 54, 63 and HSL 225°, 11%, 22%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#33363F#33363F

HEX#33363F

RGBrgb(51, 54, 63)

RGB (0–1)0.2, 0.2118, 0.2471

RGB percentages20%, 21.2%, 24.7%

HSLhsl(225, 10.5%, 22.4%)

HSV / HSBhsv(225, 19%, 24.7%)

CMYK19%, 14.3%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,356,223

CSS custom property--colour: #33363F;

Brightness & contrast

Relative luminance0.03701WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.07:1

Contrast with white12.07:1WCAG normal text: AAA

Contrast with black1.74:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#CCC9C0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#33373Fno red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#33363Fno green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#303839no blue cones; rare, and affects men and women equally; ΔE 5.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.07:1WCAG large text: AAA

Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.5 Dim grey · ΔE 22.6 Black · ΔE 23.5 Slate grey · ΔE 30.7 Gray · ΔE 31.5 Light slate grey · ΔE 33.8

Nearest named CSS colourDark slate grey (#2F4F4F)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#3F3C33

Analogous#333C3F, #36333F

Triadic#3F3336, #363F33

Split complementary#3F3633, #3C3F33

Tetradic#3F333C, #3F3C33, #333F36

Tints, shades & saturation

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

Lighter +40%#959AA9

Lighter +30%#797F92

Lighter +20%#616677

Lighter +10%#4A4E5B

Darker −10%#1C1E23

Darker −20%#050607

Darker −30%#000000

Darker −40%#000000

More saturated +25%#252F4D

Less saturated −25%#393939

Channel breakdown

R51

G54

B63

Red51 (20%)

Green54 (21.2%)

Blue63 (24.7%)

Hue225°

Saturation (HSL)10.53%

Lightness22.35%

Dominant channelBlue

Hex per channelR 33 · G 36 · B 3F

Keep nerding

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

#33363F

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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