Colour

#2B5182

#2B5182
Blue
Dark
Nearest: Steel blue

#2B5182 is a blue with RGB values 43, 81, 130 and HSL 214°, 50%, 34%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#2B5182#2B5182

HEX#2B5182

RGBrgb(43, 81, 130)

RGB (0–1)0.1686, 0.3176, 0.5098

RGB percentages16.9%, 31.8%, 51%

HSLhsl(213.8, 50.3%, 33.9%)

HSV / HSBhsv(213.8, 66.9%, 51%)

CMYK66.9%, 37.7%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,838,914

CSS custom property--colour: #2B5182;

Brightness & contrast

Relative luminance0.0801WCAG 2.x, 0 is black and 1 is white

Perceived brightness79.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.07:1

Contrast with white8.07:1WCAG normal text: AAA

Contrast with black2.6:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#D4AE7D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C5484no red cones; affects about 1% of men; ΔE 3.6 from the original

Deuteranopia#2F4C81no green cones; the most common form, about 1% of men; ΔE 4.3 from the original

Tritanopia#005C63no blue cones; rare, and affects men and women equally; ΔE 31.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.07:1WCAG large text: AAA

Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.9 Dark slateblue · ΔE 25.3 Slate grey · ΔE 28.7 Light slate grey · ΔE 30.5 Dark slate grey · ΔE 31.8 Dim grey · ΔE 33.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 19.89, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#825C2B

Analogous#2B7D82, #302B82

Triadic#822B51, #51822B

Split complementary#82302B, #7D822B

Tetradic#822B7D, #825C2B, #2B8230

Tints, shades & saturation

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

Lighter +40%#9BB8DE

Lighter +30%#759DD1

Lighter +20%#4E82C5

Lighter +10%#3869A8

Darker −10%#1E395C

Darker −20%#122135

Darker −30%#05090F

Darker −40%#000000

More saturated +25%#154E98

Less saturated −25%#41546C

Channel breakdown

R43

G81

B130

Red43 (16.9%)

Green81 (31.8%)

Blue130 (51%)

Hue213.79°

Saturation (HSL)50.29%

Lightness33.92%

Dominant channelBlue

Hex per channelR 2B · G 51 · B 82

Keep nerding

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#2B5182

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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