Colour

#37435D

#37435D
Blue
Dark
Nearest: Dark slate grey

#37435D is a blue with RGB values 55, 67, 93 and HSL 221°, 26%, 29%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#37435D#37435D

HEX#37435D

RGBrgb(55, 67, 93)

RGB (0–1)0.2157, 0.2627, 0.3647

RGB percentages21.6%, 26.3%, 36.5%

HSLhsl(221.1, 25.7%, 29%)

HSV / HSBhsv(221.1, 40.9%, 36.5%)

CMYK40.9%, 28%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,621,725

CSS custom property--colour: #37435D;

Brightness & contrast

Relative luminance0.05617WCAG 2.x, 0 is black and 1 is white

Perceived brightness67.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.89:1

Contrast with white9.89:1WCAG normal text: AAA

Contrast with black2.12:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#C8BCA2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3A455Eno red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#36415Cno green cones; the most common form, about 1% of men; ΔE 1.1 from the original

Tritanopia#2B484Cno blue cones; rare, and affects men and women equally; ΔE 16.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.89:1WCAG large text: AAA

Contrast with black, large text2.12:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.7 Dim grey · ΔE 23.5 Slate grey · ΔE 25.7 Light slate grey · ΔE 28.5 Steel blue · ΔE 29.2 Gray · ΔE 30.5

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.7, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5D5137

Analogous#37565D, #3E375D

Triadic#5D3743, #435D37

Split complementary#5D3E37, #565D37

Tetradic#5D3756, #5D5137, #375D3E

Tints, shades & saturation

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

Lighter +40%#9CA9C4

Lighter +30%#7C8DB1

Lighter +20%#5D719D

Lighter +10%#4A5A7D

Darker −10%#242C3D

Darker −20%#11151D

Darker −30%#000000

Darker −40%#000000

More saturated +25%#243C70

Less saturated −25%#4A4A4A

Channel breakdown

R55

G67

B93

Red55 (21.6%)

Green67 (26.3%)

Blue93 (36.5%)

Hue221.05°

Saturation (HSL)25.68%

Lightness29.02%

Dominant channelBlue

Hex per channelR 37 · G 43 · B 5D

Keep nerding

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

#37435D

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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