Colour

#30658C

#30658C
Blue
Dark
Nearest: Steel blue

#30658C is a blue with RGB values 48, 101, 140 and HSL 205°, 49%, 37%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#30658C#30658C

HEX#30658C

RGBrgb(48, 101, 140)

RGB (0–1)0.1882, 0.3961, 0.549

RGB percentages18.8%, 39.6%, 54.9%

HSLhsl(205.4, 48.9%, 36.9%)

HSV / HSBhsv(205.4, 65.7%, 54.9%)

CMYK65.7%, 27.9%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,171,724

CSS custom property--colour: #30658C;

Brightness & contrast

Relative luminance0.11829WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.24:1

Contrast with white6.24:1WCAG normal text: AA

Contrast with black3.37:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#CF9A73

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#54668Eno red cones; affects about 1% of men; ΔE 9.4 from the original

Deuteranopia#475C8Bno green cones; the most common form, about 1% of men; ΔE 10.8 from the original

Tritanopia#006F72no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.24:1WCAG large text: AAA

Contrast with black, large text3.37:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.8 Slate grey · ΔE 20.2 Light slate grey · ΔE 21.8 Dark slate grey · ΔE 25.9 Dim grey · ΔE 27.4 Gray · ΔE 30

Nearest named CSS colourSteel blue (#4682B4)ΔE 12.76, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8C5730

Analogous#308C85, #30378C

Triadic#8C3065, #658C30

Split complementary#8C3037, #8C8530

Tetradic#85308C, #8C5730, #378C30

Tints, shades & saturation

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

Lighter +40%#A7C8E1

Lighter +30%#81B1D4

Lighter +20%#5B99C7

Lighter +10%#3D80B2

Darker −10%#234A66

Darker −20%#162E40

Darker −30%#09131A

Darker −40%#000000

More saturated +25%#1869A4

Less saturated −25%#486175

Channel breakdown

R48

G101

B140

Red48 (18.8%)

Green101 (39.6%)

Blue140 (54.9%)

Hue205.43°

Saturation (HSL)48.94%

Lightness36.86%

Dominant channelBlue

Hex per channelR 30 · G 65 · B 8C

Keep nerding

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#30658C

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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