Colour

#305F7A

#305F7A
Blue
Dark
Nearest: Slate grey

#305F7A is a blue with RGB values 48, 95, 122 and HSL 202°, 44%, 33%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#305F7A#305F7A

HEX#305F7A

RGBrgb(48, 95, 122)

RGB (0–1)0.1882, 0.3725, 0.4784

RGB percentages18.8%, 37.3%, 47.8%

HSLhsl(201.9, 43.5%, 33.3%)

HSV / HSBhsv(201.9, 60.7%, 47.8%)

CMYK60.7%, 22.1%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,170,170

CSS custom property--colour: #305F7A;

Brightness & contrast

Relative luminance0.10218WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.9:1

Contrast with white6.9:1WCAG normal text: AA

Contrast with black3.04:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#CFA085

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#525E7Bno red cones; affects about 1% of men; ΔE 10.6 from the original

Deuteranopia#48577Ano green cones; the most common form, about 1% of men; ΔE 11.4 from the original

Tritanopia#006668no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.9:1WCAG large text: AAA

Contrast with black, large text3.04:1WCAG large text: AA

Named colours

Slate grey · ΔE 18.2 Dark slate grey · ΔE 18.3 Steel blue · ΔE 19 Light slate grey · ΔE 20.5 Dim grey · ΔE 22.2 Gray · ΔE 26.3

Nearest named CSS colourSlate grey (#708090)ΔE 18.17, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7A4B30

Analogous#307A70, #303A7A

Triadic#7A305F, #5F7A30

Split complementary#7A303A, #7A7030

Tetradic#70307A, #7A4B30, #3A7A30

Tints, shades & saturation

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

Lighter +40%#9DC3D9

Lighter +30%#79ADCA

Lighter +20%#5496BC

Lighter +10%#3E7C9F

Darker −10%#224355

Darker −20%#132631

Darker −30%#050A0C

Darker −40%#000000

More saturated +25%#1B658F

Less saturated −25%#455965

Channel breakdown

R48

G95

B122

Red48 (18.8%)

Green95 (37.3%)

Blue122 (47.8%)

Hue201.89°

Saturation (HSL)43.53%

Lightness33.33%

Dominant channelBlue

Hex per channelR 30 · G 5F · B 7A

Keep nerding

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

#305F7A

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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