Colour

#37445D

#37445D
Blue
Dark
Nearest: Dark slate grey

#37445D is a blue with RGB values 55, 68, 93 and HSL 219°, 26%, 29%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#37445D#37445D

HEX#37445D

RGBrgb(55, 68, 93)

RGB (0–1)0.2157, 0.2667, 0.3647

RGB percentages21.6%, 26.7%, 36.5%

HSLhsl(219.5, 25.7%, 29%)

HSV / HSBhsv(219.5, 40.9%, 36.5%)

CMYK40.9%, 26.9%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,621,981

CSS custom property--colour: #37445D;

Brightness & contrast

Relative luminance0.05737WCAG 2.x, 0 is black and 1 is white

Perceived brightness67.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.78:1

Contrast with white9.78:1WCAG normal text: AAA

Contrast with black2.15:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#C8BBA2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3B465Eno red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#37425Cno green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#2B494Dno blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.78:1WCAG large text: AAA

Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.9 Dim grey · ΔE 22.8 Slate grey · ΔE 25.1 Light slate grey · ΔE 28 Steel blue · ΔE 29.1 Gray · ΔE 29.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.85, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5D5037

Analogous#37575D, #3D375D

Triadic#5D3744, #445D37

Split complementary#5D3D37, #575D37

Tetradic#5D3757, #5D5037, #375D3D

Tints, shades & saturation

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

Lighter +40%#9CAAC4

Lighter +30%#7C8EB1

Lighter +20%#5D739D

Lighter +10%#4A5B7D

Darker −10%#242D3D

Darker −20%#11151D

Darker −30%#000000

Darker −40%#000000

More saturated +25%#243E70

Less saturated −25%#4A4A4A

Channel breakdown

R55

G68

B93

Red55 (21.6%)

Green68 (26.7%)

Blue93 (36.5%)

Hue219.47°

Saturation (HSL)25.68%

Lightness29.02%

Dominant channelBlue

Hex per channelR 37 · G 44 · B 5D

Keep nerding

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

#37445D

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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