Colour

#343F63

#343F63
Blue
Dark
Nearest: Dark slate grey

#343F63 is a blue with RGB values 52, 63, 99 and HSL 226°, 31%, 30%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#343F63#343F63

HEX#343F63

RGBrgb(52, 63, 99)

RGB (0–1)0.2039, 0.2471, 0.3882

RGB percentages20.4%, 24.7%, 38.8%

HSLhsl(226, 31.1%, 29.6%)

HSV / HSBhsv(226, 47.5%, 38.8%)

CMYK47.5%, 36.4%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,424,099

CSS custom property--colour: #343F63;

Brightness & contrast

Relative luminance0.05186WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.31:1

Contrast with white10.31:1WCAG normal text: AAA

Contrast with black2.04:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#CBC09C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#324364no red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#2E3F62no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#23464Cno blue cones; rare, and affects men and women equally; ΔE 22.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.31:1WCAG large text: AAA

Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.4 Dark slateblue · ΔE 27.9 Steel blue · ΔE 28.9 Dim grey · ΔE 29.1 Slate grey · ΔE 29.5 Light slate grey · ΔE 32.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.44, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#635834

Analogous#345663, #413463

Triadic#63343F, #3F6334

Split complementary#634034, #576334

Tetradic#633456, #635834, #346340

Tints, shades & saturation

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

Lighter +40%#99A5CA

Lighter +30%#7887B8

Lighter +20%#576AA6

Lighter +10%#465484

Darker −10%#222A42

Darker −20%#111420

Darker −30%#000000

Darker −40%#000000

More saturated +25%#213576

Less saturated −25%#474950

Channel breakdown

R52

G63

B99

Red52 (20.4%)

Green63 (24.7%)

Blue99 (38.8%)

Hue225.96°

Saturation (HSL)31.13%

Lightness29.61%

Dominant channelBlue

Hex per channelR 34 · G 3F · B 63

Keep nerding

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

#343F63

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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