Colour

#353F57

#353F57
Blue
Dark
Nearest: Dark slate grey

#353F57 is a blue with RGB values 53, 63, 87 and HSL 222°, 24%, 27%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#353F57#353F57

HEX#353F57

RGBrgb(53, 63, 87)

RGB (0–1)0.2078, 0.2471, 0.3412

RGB percentages20.8%, 24.7%, 34.1%

HSLhsl(222.4, 24.3%, 27.5%)

HSV / HSBhsv(222.4, 39.1%, 34.1%)

CMYK39.1%, 27.6%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,489,623

CSS custom property--colour: #353F57;

Brightness & contrast

Relative luminance0.05WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.5:1

Contrast with white10.5:1WCAG normal text: AAA

Contrast with black2:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#CAC0A8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#374158no red cones; affects about 1% of men; ΔE 1.1 from the original

Deuteranopia#343E56no green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#2B4447no blue cones; rare, and affects men and women equally; ΔE 15.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.5:1WCAG large text: AAA

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

Named colours

Dark slate grey · ΔE 19.3 Dim grey · ΔE 23.8 Slate grey · ΔE 27 Light slate grey · ΔE 30 Black · ΔE 31.1 Gray · ΔE 31.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.29, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#574D35

Analogous#355057, #3C3557

Triadic#57353F, #3F5735

Split complementary#573C35, #505735

Tetradic#573550, #574D35, #35573C

Tints, shades & saturation

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

Lighter +40%#98A4C0

Lighter +30%#7888AD

Lighter +20%#5C6D96

Lighter +10%#485677

Darker −10%#222837

Darker −20%#0E1118

Darker −30%#000000

Darker −40%#000000

More saturated +25%#243869

Less saturated −25%#464646

Channel breakdown

R53

G63

B87

Red53 (20.8%)

Green63 (24.7%)

Blue87 (34.1%)

Hue222.35°

Saturation (HSL)24.29%

Lightness27.45%

Dominant channelBlue

Hex per channelR 35 · G 3F · B 57

Keep nerding

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

#353F57

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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