Colour

#374A70

#374A70
Blue
Dark
Nearest: Steel blue

#374A70 is a blue with RGB values 55, 74, 112 and HSL 220°, 34%, 33%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#374A70#374A70

HEX#374A70

RGBrgb(55, 74, 112)

RGB (0–1)0.2157, 0.2902, 0.4392

RGB percentages21.6%, 29%, 43.9%

HSLhsl(220, 34.1%, 32.7%)

HSV / HSBhsv(220, 50.9%, 43.9%)

CMYK50.9%, 33.9%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,623,536

CSS custom property--colour: #374A70;

Brightness & contrast

Relative luminance0.0688WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.84:1

Contrast with white8.84:1WCAG normal text: AAA

Contrast with black2.38:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#C8B58F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C4D72no red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#35486Fno green cones; the most common form, about 1% of men; ΔE 1.1 from the original

Tritanopia#1F5258no blue cones; rare, and affects men and women equally; ΔE 24.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.84:1WCAG large text: AAA

Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Steel blue · ΔE 23.9 Dark slate grey · ΔE 25.9 Slate grey · ΔE 26.1 Dim grey · ΔE 27.8 Dark slateblue · ΔE 28.2 Light slate grey · ΔE 28.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 23.88, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#705D37

Analogous#376670, #413770

Triadic#70374A, #4A7037

Split complementary#704037, #667037

Tetradic#703766, #705D37, #377040

Tints, shades & saturation

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

Lighter +40%#A2B2D1

Lighter +30%#8095C0

Lighter +20%#5D79B0

Lighter +10%#486192

Darker −10%#26334E

Darker −20%#151D2C

Darker −30%#050609

Darker −40%#000000

More saturated +25%#224385

Less saturated −25%#4C515B

Channel breakdown

R55

G74

B112

Red55 (21.6%)

Green74 (29%)

Blue112 (43.9%)

Hue220°

Saturation (HSL)34.13%

Lightness32.75%

Dominant channelBlue

Hex per channelR 37 · G 4A · B 70

Keep nerding

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

#374A70

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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