Colour

#37425B

#37425B
Blue
Dark
Nearest: Dark slate grey

#37425B is a blue with RGB values 55, 66, 91 and HSL 222°, 25%, 29%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#37425B#37425B

HEX#37425B

RGBrgb(55, 66, 91)

RGB (0–1)0.2157, 0.2588, 0.3569

RGB percentages21.6%, 25.9%, 35.7%

HSLhsl(221.7, 24.7%, 28.6%)

HSV / HSBhsv(221.7, 39.6%, 35.7%)

CMYK39.6%, 27.5%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,621,467

CSS custom property--colour: #37425B;

Brightness & contrast

Relative luminance0.05464WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.03:1

Contrast with white10.03:1WCAG normal text: AAA

Contrast with black2.09:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#C8BDA4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3A445Cno red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#36415Ano green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#2C474Bno blue cones; rare, and affects men and women equally; ΔE 15.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.03:1WCAG large text: AAA

Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.3 Dim grey · ΔE 23.3 Slate grey · ΔE 25.9 Light slate grey · ΔE 28.8 Steel blue · ΔE 29.9 Gray · ΔE 30.4

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.35, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5B5037

Analogous#37545B, #3E375B

Triadic#5B3742, #425B37

Split complementary#5B3E37, #545B37

Tetradic#5B3754, #5B5037, #375B3E

Tints, shades & saturation

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

Lighter +40%#9BA7C3

Lighter +30%#7B8BB0

Lighter +20%#5D709B

Lighter +10%#4A597B

Darker −10%#242B3B

Darker −20%#11141B

Darker −30%#000000

Darker −40%#000000

More saturated +25%#253B6D

Less saturated −25%#494949

Channel breakdown

R55

G66

B91

Red55 (21.6%)

Green66 (25.9%)

Blue91 (35.7%)

Hue221.67°

Saturation (HSL)24.66%

Lightness28.63%

Dominant channelBlue

Hex per channelR 37 · G 42 · B 5B

Keep nerding

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

#37425B

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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