Colour

#2B3356

#2B3356
Blue
Dark
Nearest: Dark slate grey

#2B3356 is a blue with RGB values 43, 51, 86 and HSL 229°, 33%, 25%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B3356#2B3356

HEX#2B3356

RGBrgb(43, 51, 86)

RGB (0–1)0.1686, 0.2, 0.3373

RGB percentages16.9%, 20%, 33.7%

HSLhsl(228.8, 33.3%, 25.3%)

HSV / HSBhsv(228.8, 50%, 33.7%)

CMYK50%, 40.7%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,831,190

CSS custom property--colour: #2B3356;

Brightness & contrast

Relative luminance0.03553WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.28:1

Contrast with white12.28:1WCAG normal text: AAA

Contrast with black1.71:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#D4CCA9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#263757no red cones; affects about 1% of men; ΔE 4 from the original

Deuteranopia#223355no green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#1B3A40no blue cones; rare, and affects men and women equally; ΔE 22.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.28:1WCAG large text: AAA

Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 28.2 Dark slateblue · ΔE 28.5 Black · ΔE 32.3 Dim grey · ΔE 32.4 Steel blue · ΔE 33.9 Slate grey · ΔE 34.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 28.22, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#564E2B

Analogous#2B4856, #392B56

Triadic#562B33, #33562B

Split complementary#56392B, #48562B

Tetradic#562B48, #564E2B, #2B5639

Tints, shades & saturation

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

Lighter +40%#8994C4

Lighter +30%#6775B3

Lighter +20%#4D5B9A

Lighter +10%#3C4778

Darker −10%#1A1F34

Darker −20%#090B12

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1B2966

Less saturated −25%#3B3D46

Channel breakdown

R43

G51

B86

Red43 (16.9%)

Green51 (20%)

Blue86 (33.7%)

Hue228.84°

Saturation (HSL)33.33%

Lightness25.29%

Dominant channelBlue

Hex per channelR 2B · G 33 · B 56

Keep nerding

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

#2B3356

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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