Recognised as Colour

#31343D

#31343D
Blue
Dark
Nearest: Dark slate grey

#31343D is a blue with RGB values 49, 52, 61 and HSL 225°, 11%, 22%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31343D#31343D

HEX#31343D

RGBrgb(49, 52, 61)

RGB (0–1)0.1922, 0.2039, 0.2392

RGB percentages19.2%, 20.4%, 23.9%

HSLhsl(225, 10.9%, 21.6%)

HSV / HSBhsv(225, 19.7%, 23.9%)

CMYK19.7%, 14.8%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,224,637

CSS custom property--colour: #31343D;

Brightness & contrast

Relative luminance0.03446WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.43:1

Contrast with white12.43:1WCAG normal text: AAA

Contrast with black1.69:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#CECBC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#31353Dno red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#31343Dno green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#2E3637no blue cones; rare, and affects men and women equally; ΔE 6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.43:1WCAG large text: AAA

Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.1 Black · ΔE 22.6 Dim grey · ΔE 23.5 Slate grey · ΔE 31.6 Gray · ΔE 32.4 Light slate grey · ΔE 34.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.06, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3D3A31

Analogous#313A3D, #34313D

Triadic#3D3134, #343D31

Split complementary#3D3431, #3A3D31

Tetradic#3D313A, #3D3A31, #313D34

Tints, shades & saturation

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

Lighter +40%#9298A8

Lighter +30%#767D91

Lighter +20%#5E6476

Lighter +10%#484C59

Darker −10%#1A1C21

Darker −20%#040404

Darker −30%#000000

Darker −40%#000000

More saturated +25%#232D4B

Less saturated −25%#373737

Channel breakdown

R49

G52

B61

Red49 (19.2%)

Green52 (20.4%)

Blue61 (23.9%)

Hue225°

Saturation (HSL)10.91%

Lightness21.57%

Dominant channelBlue

Hex per channelR 31 · G 34 · B 3D

Keep nerding

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

#31343D

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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