Colour

#2F4579

#2F4579
Blue
Dark
Nearest: Dark slateblue

#2F4579 is a blue with RGB values 47, 69, 121 and HSL 222°, 44%, 33%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F4579#2F4579

HEX#2F4579

RGBrgb(47, 69, 121)

RGB (0–1)0.1843, 0.2706, 0.4745

RGB percentages18.4%, 27.1%, 47.5%

HSLhsl(222.2, 44%, 32.9%)

HSV / HSBhsv(222.2, 61.2%, 47.5%)

CMYK61.2%, 43%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,097,977

CSS custom property--colour: #2F4579;

Brightness & contrast

Relative luminance0.06241WCAG 2.x, 0 is black and 1 is white

Perceived brightness71.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.34:1

Contrast with white9.34:1WCAG normal text: AAA

Contrast with black2.25:1WCAG normal text: Fail

Greyscale equivalent#444444

Inverted#D0BA86

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2E4A7Bno red cones; affects about 1% of men; ΔE 3.5 from the original

Deuteranopia#254478no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#005159no blue cones; rare, and affects men and women equally; ΔE 34.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.34:1WCAG large text: AAA

Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.9 Steel blue · ΔE 25.9 Midnight blue · ΔE 32 Slate grey · ΔE 33.3 Dark slate grey · ΔE 35.2 Light slate grey · ΔE 35.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.9, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#79632F

Analogous#2F6A79, #3E2F79

Triadic#792F45, #45792F

Split complementary#793E2F, #6A792F

Tetradic#792F6A, #79632F, #2F793E

Tints, shades & saturation

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

Lighter +40%#9CAED8

Lighter +30%#7790CA

Lighter +20%#5272BC

Lighter +10%#3D5A9E

Darker −10%#213054

Darker −20%#121B30

Darker −30%#04060B

Darker −40%#000000

More saturated +25%#1A3C8E

Less saturated −25%#444E64

Channel breakdown

R47

G69

B121

Red47 (18.4%)

Green69 (27.1%)

Blue121 (47.5%)

Hue222.16°

Saturation (HSL)44.05%

Lightness32.94%

Dominant channelBlue

Hex per channelR 2F · G 45 · B 79

Keep nerding

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#2F4579

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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