Colour

#2F284E

#2F284E
Blue
Dark
Nearest: Dark slateblue

#2F284E is a blue with RGB values 47, 40, 78 and HSL 251°, 32%, 23%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F284E#2F284E

HEX#2F284E

RGBrgb(47, 40, 78)

RGB (0–1)0.1843, 0.1569, 0.3059

RGB percentages18.4%, 15.7%, 30.6%

HSLhsl(251.1, 32.2%, 23.1%)

HSV / HSBhsv(251.1, 48.7%, 30.6%)

CMYK39.7%, 48.7%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,090,510

CSS custom property--colour: #2F284E;

Brightness & contrast

Relative luminance0.02672WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.69:1

Contrast with white13.69:1WCAG normal text: AAA

Contrast with black1.53:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#D0D7B1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B2E4Fno red cones; affects about 1% of men; ΔE 9.5 from the original

Deuteranopia#1C2D4Dno green cones; the most common form, about 1% of men; ΔE 9.4 from the original

Tritanopia#272F37no blue cones; rare, and affects men and women equally; ΔE 22 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.69:1WCAG large text: AAA

Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.2 Black · ΔE 32.2 Midnight blue · ΔE 32.7 Dark slate grey · ΔE 34 Dim grey · ΔE 36.8 Steel blue · ΔE 39.4

Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#474E28

Analogous#28344E, #42284E

Triadic#4E2F28, #284E2F

Split complementary#4E4228, #344E28

Tetradic#4E2834, #474E28, #284E42

Tints, shades & saturation

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

Lighter +40%#8E83BF

Lighter +30%#6F61AE

Lighter +20%#584B91

Lighter +10%#433970

Darker −10%#1B172C

Darker −20%#06050B

Darker −30%#000000

Darker −40%#000000

More saturated +25%#26195D

Less saturated −25%#38373F

Channel breakdown

R47

G40

B78

Red47 (18.4%)

Green40 (15.7%)

Blue78 (30.6%)

Hue251.05°

Saturation (HSL)32.2%

Lightness23.14%

Dominant channelBlue

Hex per channelR 2F · G 28 · B 4E

Keep nerding

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#2F284E

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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