Colour

#2B313D

#2B313D
Blue
Dark
Nearest: Dark slate grey

#2B313D is a blue with RGB values 43, 49, 61 and HSL 220°, 17%, 20%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B313D#2B313D

HEX#2B313D

RGBrgb(43, 49, 61)

RGB (0–1)0.1686, 0.1922, 0.2392

RGB percentages16.9%, 19.2%, 23.9%

HSLhsl(220, 17.3%, 20.4%)

HSV / HSBhsv(220, 29.5%, 23.9%)

CMYK29.5%, 19.7%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,830,653

CSS custom property--colour: #2B313D;

Brightness & contrast

Relative luminance0.03047WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.05:1

Contrast with white13.05:1WCAG normal text: AAA

Contrast with black1.61:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#D4CEC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D323Eno red cones; affects about 1% of men; ΔE 0.7 from the original

Deuteranopia#2B303Dno green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#263335no blue cones; rare, and affects men and women equally; ΔE 7.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.05:1WCAG large text: AAA

Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.3 Black · ΔE 21.9 Dim grey · ΔE 25.6 Slate grey · ΔE 32.8 Gray · ΔE 34.4 Light slate grey · ΔE 35.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.27, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3D372B

Analogous#2B3A3D, #2E2B3D

Triadic#3D2B31, #313D2B

Split complementary#3D2E2B, #3A3D2B

Tetradic#3D2B3A, #3D372B, #2B3D2E

Tints, shades & saturation

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

Lighter +40%#8994AB

Lighter +30%#6B7996

Lighter +20%#556179

Lighter +10%#40495B

Darker −10%#16191F

Darker −20%#010101

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1E2D4A

Less saturated −25%#343434

Channel breakdown

R43

G49

B61

Red43 (16.9%)

Green49 (19.2%)

Blue61 (23.9%)

Hue220°

Saturation (HSL)17.31%

Lightness20.39%

Dominant channelBlue

Hex per channelR 2B · G 31 · B 3D

Keep nerding

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

#2B313D

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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