Colour

#312F5E

#312F5E
Blue
Dark
Nearest: Dark slateblue

#312F5E is a blue with RGB values 49, 47, 94 and HSL 243°, 33%, 28%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#312F5E#312F5E

HEX#312F5E

RGBrgb(49, 47, 94)

RGB (0–1)0.1922, 0.1843, 0.3686

RGB percentages19.2%, 18.4%, 36.9%

HSLhsl(242.6, 33.3%, 27.6%)

HSV / HSBhsv(242.6, 50%, 36.9%)

CMYK47.9%, 50%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,223,390

CSS custom property--colour: #312F5E;

Brightness & contrast

Relative luminance0.03494WCAG 2.x, 0 is black and 1 is white

Perceived brightness55 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.36:1

Contrast with white12.36:1WCAG normal text: AAA

Contrast with black1.7:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#CED0A1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C3660no red cones; affects about 1% of men; ΔE 9.2 from the original

Deuteranopia#1A335Dno green cones; the most common form, about 1% of men; ΔE 8.7 from the original

Tritanopia#223942no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.36:1WCAG large text: AAA

Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.2 Midnight blue · ΔE 28.2 Rebecca purple · ΔE 35.8 Steel blue · ΔE 36.1 Dark slate grey · ΔE 37 Black · ΔE 38.4

Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5C5E2F

Analogous#2F445E, #492F5E

Triadic#5E312F, #2F5E31

Split complementary#5E492F, #445E2F

Tetradic#5E2F44, #5C5E2F, #2F5E49

Tints, shades & saturation

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

Lighter +40%#9391C8

Lighter +30%#726FB7

Lighter +20%#5451A2

Lighter +10%#434080

Darker −10%#1F1E3C

Darker −20%#0E0D1A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#211D70

Less saturated −25%#41414C

Channel breakdown

R49

G47

B94

Red49 (19.2%)

Green47 (18.4%)

Blue94 (36.9%)

Hue242.55°

Saturation (HSL)33.33%

Lightness27.65%

Dominant channelBlue

Hex per channelR 31 · G 2F · B 5E

Keep nerding

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

#312F5E

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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