Colour

#404B73

#404B73
Blue
Dark
Nearest: Steel blue

#404B73 is a blue with RGB values 64, 75, 115 and HSL 227°, 28%, 35%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#404B73#404B73

HEX#404B73

RGBrgb(64, 75, 115)

RGB (0–1)0.251, 0.2941, 0.451

RGB percentages25.1%, 29.4%, 45.1%

HSLhsl(227.1, 28.5%, 35.1%)

HSV / HSBhsv(227.1, 44.3%, 45.1%)

CMYK44.3%, 34.8%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,213,619

CSS custom property--colour: #404B73;

Brightness & contrast

Relative luminance0.0736WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.5:1

Contrast with white8.5:1WCAG normal text: AAA

Contrast with black2.47:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#BFB48C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D4F75no red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#394B72no green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#2F5359no blue cones; rare, and affects men and women equally; ΔE 24.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.5:1WCAG large text: AAA

Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Steel blue · ΔE 24.1 Dark slateblue · ΔE 26 Slate grey · ΔE 26.1 Dark slate grey · ΔE 27.9 Dim grey · ΔE 28 Light slate grey · ΔE 28.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 24.06, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#736840

Analogous#406573, #4E4073

Triadic#73404B, #4B7340

Split complementary#734F40, #657340

Tetradic#734065, #736840, #40734E

Tints, shades & saturation

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

Lighter +40%#ADB5D2

Lighter +30%#8D98BF

Lighter +20%#6C7AAD

Lighter +10%#526094

Darker −10%#2E3652

Darker −20%#1C2031

Darker −30%#090B11

Darker −40%#000000

More saturated +25%#2A3E89

Less saturated −25%#56585D

Channel breakdown

R64

G75

B115

Red64 (25.1%)

Green75 (29.4%)

Blue115 (45.1%)

Hue227.06°

Saturation (HSL)28.49%

Lightness35.1%

Dominant channelBlue

Hex per channelR 40 · G 4B · B 73

Keep nerding

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

#404B73

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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