Colour

#3B4255

#3B4255
Blue
Dark
Nearest: Dark slate grey

#3B4255 is a blue with RGB values 59, 66, 85 and HSL 224°, 18%, 28%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3B4255#3B4255

HEX#3B4255

RGBrgb(59, 66, 85)

RGB (0–1)0.2314, 0.2588, 0.3333

RGB percentages23.1%, 25.9%, 33.3%

HSLhsl(223.8, 18.1%, 28.2%)

HSV / HSBhsv(223.8, 30.6%, 33.3%)

CMYK30.6%, 22.4%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,883,605

CSS custom property--colour: #3B4255;

Brightness & contrast

Relative luminance0.05482WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.02:1

Contrast with white10.02:1WCAG normal text: AAA

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

Greyscale equivalent#424242

Inverted#C4BDAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C4356no red cones; affects about 1% of men; ΔE 0.4 from the original

Deuteranopia#3A4155no green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#344648no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.02:1WCAG large text: AAA

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

Named colours

Dark slate grey · ΔE 16.6 Dim grey · ΔE 20.6 Slate grey · ΔE 25.2 Light slate grey · ΔE 28.2 Gray · ΔE 28.4 Black · ΔE 30.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.64, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#554E3B

Analogous#3B4F55, #413B55

Triadic#553B42, #42553B

Split complementary#55413B, #4F553B

Tetradic#553B4F, #554E3B, #3B5541

Tints, shades & saturation

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

Lighter +40%#9FA7BD

Lighter +30%#818CA8

Lighter +20%#657191

Lighter +10%#505973

Darker −10%#262B37

Darker −20%#111319

Darker −30%#000000

Darker −40%#000000

More saturated +25%#293A67

Less saturated −25%#484848

Channel breakdown

R59

G66

B85

Red59 (23.1%)

Green66 (25.9%)

Blue85 (33.3%)

Hue223.85°

Saturation (HSL)18.06%

Lightness28.24%

Dominant channelBlue

Hex per channelR 3B · G 42 · B 55

Keep nerding

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

#3B4255

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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