Colour

#3F5279

#3F5279
Blue
Dark
Nearest: Steel blue

#3F5279 is a blue with RGB values 63, 82, 121 and HSL 220°, 32%, 36%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3F5279#3F5279

HEX#3F5279

RGBrgb(63, 82, 121)

RGB (0–1)0.2471, 0.3216, 0.4745

RGB percentages24.7%, 32.2%, 47.5%

HSLhsl(220.3, 31.5%, 36.1%)

HSV / HSBhsv(220.3, 47.9%, 47.5%)

CMYK47.9%, 32.2%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,149,881

CSS custom property--colour: #3F5279;

Brightness & contrast

Relative luminance0.08472WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.79:1

Contrast with white7.79:1WCAG normal text: AAA

Contrast with black2.69:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#C0AD86

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#44557Bno red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#3D5078no green cones; the most common form, about 1% of men; ΔE 1.1 from the original

Tritanopia#295A60no 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 text7.79:1WCAG large text: AAA

Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.8 Slate grey · ΔE 23.5 Light slate grey · ΔE 25.7 Dark slate grey · ΔE 26.4 Dim grey · ΔE 26.6 Dark slateblue · ΔE 28.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 20.85, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#79663F

Analogous#3F6F79, #493F79

Triadic#793F52, #52793F

Split complementary#79493F, #6F793F

Tetradic#793F6F, #79663F, #3F7949

Tints, shades & saturation

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

Lighter +40%#AFBBD5

Lighter +30%#8D9FC4

Lighter +20%#6C83B2

Lighter +10%#50699B

Darker −10%#2E3B57

Darker −20%#1C2536

Darker −30%#0B0E14

Darker −40%#000000

More saturated +25%#284A90

Less saturated −25%#565A62

Channel breakdown

R63

G82

B121

Red63 (24.7%)

Green82 (32.2%)

Blue121 (47.5%)

Hue220.34°

Saturation (HSL)31.52%

Lightness36.08%

Dominant channelBlue

Hex per channelR 3F · G 52 · B 79

Keep nerding

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

#3F5279

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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