Colour

#3B4457

#3B4457
Blue
Dark
Nearest: Dark slate grey

#3B4457 is a blue with RGB values 59, 68, 87 and HSL 221°, 19%, 29%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3B4457#3B4457

HEX#3B4457

RGBrgb(59, 68, 87)

RGB (0–1)0.2314, 0.2667, 0.3412

RGB percentages23.1%, 26.7%, 34.1%

HSLhsl(220.7, 19.2%, 28.6%)

HSV / HSBhsv(220.7, 32.2%, 34.1%)

CMYK32.2%, 21.8%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,884,119

CSS custom property--colour: #3B4457;

Brightness & contrast

Relative luminance0.05752WCAG 2.x, 0 is black and 1 is white

Perceived brightness68 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.77:1

Contrast with white9.77:1WCAG normal text: AAA

Contrast with black2.15:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#C4BBA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E4558no red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#3B4357no green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#33484Ano blue cones; rare, and affects men and women equally; ΔE 12.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.77:1WCAG large text: AAA

Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16 Dim grey · ΔE 20.1 Slate grey · ΔE 24.4 Light slate grey · ΔE 27.4 Gray · ΔE 27.8 Steel blue · ΔE 31.3

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.02, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#574E3B

Analogous#3B5257, #403B57

Triadic#573B44, #44573B

Split complementary#57403B, #52573B

Tetradic#573B52, #574E3B, #3B5740

Tints, shades & saturation

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

Lighter +40%#A0AABE

Lighter +30%#818EAA

Lighter +20%#647494

Lighter +10%#505C75

Darker −10%#262C39

Darker −20%#12141A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#293D69

Less saturated −25%#494949

Channel breakdown

R59

G68

B87

Red59 (23.1%)

Green68 (26.7%)

Blue87 (34.1%)

Hue220.71°

Saturation (HSL)19.18%

Lightness28.63%

Dominant channelBlue

Hex per channelR 3B · G 44 · B 57

Keep nerding

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

#3B4457

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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