Colour

#373A44

#373A44
Blue
Dark
Nearest: Dark slate grey

#373A44 is a blue with RGB values 55, 58, 68 and HSL 226°, 11%, 24%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#373A44#373A44

HEX#373A44

RGBrgb(55, 58, 68)

RGB (0–1)0.2157, 0.2275, 0.2667

RGB percentages21.6%, 22.7%, 26.7%

HSLhsl(226.2, 10.6%, 24.1%)

HSV / HSBhsv(226.2, 19.1%, 26.7%)

CMYK19.1%, 14.7%, 0%, 73.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,619,396

CSS custom property--colour: #373A44;

Brightness & contrast

Relative luminance0.04256WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.34:1

Contrast with white11.34:1WCAG normal text: AAA

Contrast with black1.85:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#C8C5BB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#373B44no red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#363A44no green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#343C3Dno blue cones; rare, and affects men and women equally; ΔE 6.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.34:1WCAG large text: AAA

Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.9 Dim grey · ΔE 21 Black · ΔE 25.4 Slate grey · ΔE 28.8 Gray · ΔE 29.8 Light slate grey · ΔE 31.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.89, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#444137

Analogous#374144, #3B3744

Triadic#44373A, #3A4437

Split complementary#443B37, #414437

Tetradic#443741, #444137, #37443B

Tints, shades & saturation

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

Lighter +40%#9A9EAD

Lighter +30%#7E8396

Lighter +20%#656A7C

Lighter +10%#4E5260

Darker −10%#202228

Darker −20%#090A0C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#283253

Less saturated −25%#3E3E3E

Channel breakdown

R55

G58

B68

Red55 (21.6%)

Green58 (22.7%)

Blue68 (26.7%)

Hue226.15°

Saturation (HSL)10.57%

Lightness24.12%

Dominant channelBlue

Hex per channelR 37 · G 3A · B 44

Keep nerding

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

#373A44

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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