Colour

#2F599F

#2F599F
Blue
Dark
Nearest: Dark slateblue

#2F599F is a blue with RGB values 47, 89, 159 and HSL 218°, 54%, 40%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F599F#2F599F

HEX#2F599F

RGBrgb(47, 89, 159)

RGB (0–1)0.1843, 0.349, 0.6235

RGB percentages18.4%, 34.9%, 62.4%

HSLhsl(217.5, 54.4%, 40.4%)

HSV / HSBhsv(217.5, 70.4%, 62.4%)

CMYK70.4%, 44%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,103,135

CSS custom property--colour: #2F599F;

Brightness & contrast

Relative luminance0.10252WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.88:1

Contrast with white6.88:1WCAG normal text: AA

Contrast with black3.05:1WCAG normal text: Fail

Greyscale equivalent#555555

Inverted#D0A660

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3760A2no red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#24559Eno green cones; the most common form, about 1% of men; ΔE 2.7 from the original

Tritanopia#006974no blue cones; rare, and affects men and women equally; ΔE 42.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.88:1WCAG large text: AAA

Contrast with black, large text3.05:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18 Steel blue · ΔE 22.2 Cornflower blue · ΔE 24.6 Dodgerblue · ΔE 29.8 Royal blue · ΔE 29.9 Slate blue · ΔE 31.4

Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.01, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9F752F

Analogous#2F919F, #3D2F9F

Triadic#9F2F59, #599F2F

Split complementary#9F3D2F, #919F2F

Tetradic#9F2F91, #9F752F, #2F9F3D

Tints, shades & saturation

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

Lighter +40%#B2C6E8

Lighter +30%#8AA9DD

Lighter +20%#638CD1

Lighter +10%#3C6FC5

Darker −10%#234378

Darker −20%#182D50

Darker −30%#0C1729

Darker −40%#000102

More saturated +25%#1553B9

Less saturated −25%#495F85

Channel breakdown

R47

G89

B159

Red47 (18.4%)

Green89 (34.9%)

Blue159 (62.4%)

Hue217.5°

Saturation (HSL)54.37%

Lightness40.39%

Dominant channelBlue

Hex per channelR 2F · G 59 · B 9F

Keep nerding

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

#2F599F

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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