Recognised as Colour

#3F464B

#3F464B
Blue
Dark
Nearest: Dark slate grey

#3F464B is a blue with RGB values 63, 70, 75 and HSL 205°, 9%, 27%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F464B#3F464B

HEX#3F464B

RGBrgb(63, 70, 75)

RGB (0–1)0.2471, 0.2745, 0.2941

RGB percentages24.7%, 27.5%, 29.4%

HSLhsl(205, 8.7%, 27.1%)

HSV / HSBhsv(205, 16%, 29.4%)

CMYK16%, 6.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,146,763

CSS custom property--colour: #3F464B;

Brightness & contrast

Relative luminance0.05945WCAG 2.x, 0 is black and 1 is white

Perceived brightness68.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.59:1

Contrast with white9.59:1WCAG normal text: AAA

Contrast with black2.19:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#C0B9B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#44464Bno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#42444Bno green cones; the most common form, about 1% of men; ΔE 2.5 from the original

Tritanopia#3C4748no blue cones; rare, and affects men and women equally; ΔE 3.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.59:1WCAG large text: AAA

Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.3 Dim grey · ΔE 15.7 Slate grey · ΔE 24.5 Gray · ΔE 24.7 Light slate grey · ΔE 27.6 Black · ΔE 29.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.28, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4B443F

Analogous#3F4B4A, #3F404B

Triadic#4B3F46, #464B3F

Split complementary#4B3F40, #4B4A3F

Tetradic#4A3F4B, #4B443F, #404B3F

Tints, shades & saturation

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

Lighter +40%#A4ACB2

Lighter +30%#88939B

Lighter +20%#6E7A82

Lighter +10%#566067

Darker −10%#282C2F

Darker −20%#101214

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2E495C

Less saturated −25%#454545

Channel breakdown

R63

G70

B75

Red63 (24.7%)

Green70 (27.5%)

Blue75 (29.4%)

Hue205°

Saturation (HSL)8.7%

Lightness27.06%

Dominant channelBlue

Hex per channelR 3F · G 46 · B 4B

Keep nerding

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

#3F464B

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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