Colour

#3F434E

#3F434E
Blue
Dark
Nearest: Dark slate grey

#3F434E is a blue with RGB values 63, 67, 78 and HSL 224°, 11%, 28%. 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 slate grey.

Colour values

#3F434E#3F434E

HEX#3F434E

RGBrgb(63, 67, 78)

RGB (0–1)0.2471, 0.2627, 0.3059

RGB percentages24.7%, 26.3%, 30.6%

HSLhsl(224, 10.6%, 27.6%)

HSV / HSBhsv(224, 19.2%, 30.6%)

CMYK19.2%, 14.1%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,145,998

CSS custom property--colour: #3F434E;

Brightness & contrast

Relative luminance0.05621WCAG 2.x, 0 is black and 1 is white

Perceived brightness67.2 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#434343

Inverted#C0BCB1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#40444Fno red cones; affects about 1% of men; ΔE 0.4 from the original

Deuteranopia#3F424Eno green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#3C4547no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original

Distinguishable without hueYesnever 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 slate grey · ΔE 13.5 Dim grey · ΔE 17.5 Slate grey · ΔE 24.8 Gray · ΔE 26.2 Light slate grey · ΔE 28 Black · ΔE 29.3

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.53, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4E4A3F

Analogous#3F4B4E, #433F4E

Triadic#4E3F43, #434E3F

Split complementary#4E433F, #4B4E3F

Tetradic#4E3F4B, #4E4A3F, #3F4E43

Tints, shades & saturation

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

Lighter +40%#A4A8B5

Lighter +30%#888E9E

Lighter +20%#6D7386

Lighter +10%#565B6A

Darker −10%#282B32

Darker −20%#111316

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2D3B60

Less saturated −25%#474747

Channel breakdown

R63

G67

B78

Red63 (24.7%)

Green67 (26.3%)

Blue78 (30.6%)

Hue224°

Saturation (HSL)10.64%

Lightness27.65%

Dominant channelBlue

Hex per channelR 3F · G 43 · B 4E

Keep nerding

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

#3F434E

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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