Colour

#3A424F

#3A424F
Blue
Dark
Nearest: Dark slate grey

#3A424F is a blue with RGB values 58, 66, 79 and HSL 217°, 15%, 27%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3A424F#3A424F

HEX#3A424F

RGBrgb(58, 66, 79)

RGB (0–1)0.2275, 0.2588, 0.3098

RGB percentages22.7%, 25.9%, 31%

HSLhsl(217.1, 15.3%, 26.9%)

HSV / HSBhsv(217.1, 26.6%, 31%)

CMYK26.6%, 16.5%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,818,063

CSS custom property--colour: #3A424F;

Brightness & contrast

Relative luminance0.0536WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.13:1

Contrast with white10.13:1WCAG normal text: AAA

Contrast with black2.07:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#C5BDB0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E4350no red cones; affects about 1% of men; ΔE 1.4 from the original

Deuteranopia#3C414Fno green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#344546no blue cones; rare, and affects men and women equally; ΔE 9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.13:1WCAG large text: AAA

Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.4 Dim grey · ΔE 18.9 Slate grey · ΔE 25.3 Gray · ΔE 27.3 Light slate grey · ΔE 28.4 Black · ΔE 29.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.39, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4F473A

Analogous#3A4D4F, #3C3A4F

Triadic#4F3A42, #424F3A

Split complementary#4F3C3A, #4D4F3A

Tetradic#4F3A4D, #4F473A, #3A4F3C

Tints, shades & saturation

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

Lighter +40%#9EA7B7

Lighter +30%#808DA2

Lighter +20%#65738A

Lighter +10%#505B6C

Darker −10%#242932

Darker −20%#0F1114

Darker −30%#000000

Darker −40%#000000

More saturated +25%#293E60

Less saturated −25%#454545

Channel breakdown

R58

G66

B79

Red58 (22.7%)

Green66 (25.9%)

Blue79 (31%)

Hue217.14°

Saturation (HSL)15.33%

Lightness26.86%

Dominant channelBlue

Hex per channelR 3A · G 42 · B 4F

Keep nerding

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

#3A424F

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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