Colour

#40598C

#40598C
Blue
Dark
Nearest: Steel blue

#40598C is a blue with RGB values 64, 89, 140 and HSL 220°, 37%, 40%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#40598C#40598C

HEX#40598C

RGBrgb(64, 89, 140)

RGB (0–1)0.251, 0.349, 0.549

RGB percentages25.1%, 34.9%, 54.9%

HSLhsl(220.3, 37.3%, 40%)

HSV / HSBhsv(220.3, 54.3%, 54.9%)

CMYK54.3%, 36.4%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,217,228

CSS custom property--colour: #40598C;

Brightness & contrast

Relative luminance0.10128WCAG 2.x, 0 is black and 1 is white

Perceived brightness90 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.94:1

Contrast with white6.94:1WCAG normal text: AA

Contrast with black3.03:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#BFA673

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#455D8Eno red cones; affects about 1% of men; ΔE 2.2 from the original

Deuteranopia#3C568Bno green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#19646Cno blue cones; rare, and affects men and women equally; ΔE 32.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.94:1WCAG large text: AAA

Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.7 Dark slateblue · ΔE 23.7 Slate grey · ΔE 26.7 Light slate grey · ΔE 28.2 Cornflower blue · ΔE 30.1 Dim grey · ΔE 32.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.73, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8C7340

Analogous#407F8C, #4D408C

Triadic#8C4059, #598C40

Split complementary#8C4D40, #7F8C40

Tetradic#8C407F, #8C7340, #408C4D

Tints, shades & saturation

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

Lighter +40%#B9C6DF

Lighter +30%#96A9CF

Lighter +20%#738CBF

Lighter +10%#506FAF

Darker −10%#304369

Darker −20%#202C46

Darker −30%#101623

Darker −40%#000000

More saturated +25%#2650A6

Less saturated −25%#5A6273

Channel breakdown

R64

G89

B140

Red64 (25.1%)

Green89 (34.9%)

Blue140 (54.9%)

Hue220.26°

Saturation (HSL)37.25%

Lightness40%

Dominant channelBlue

Hex per channelR 40 · G 59 · B 8C

Keep nerding

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

#40598C

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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