Colour

#2F498A

#2F498A
Blue
Dark
Nearest: Dark slateblue

#2F498A is a blue with RGB values 47, 73, 138 and HSL 223°, 49%, 36%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2F498A#2F498A

HEX#2F498A

RGBrgb(47, 73, 138)

RGB (0–1)0.1843, 0.2863, 0.5412

RGB percentages18.4%, 28.6%, 54.1%

HSLhsl(222.9, 49.2%, 36.3%)

HSV / HSBhsv(222.9, 65.9%, 54.1%)

CMYK65.9%, 47.1%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,099,018

CSS custom property--colour: #2F498A;

Brightness & contrast

Relative luminance0.07204WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.6:1

Contrast with white8.6:1WCAG normal text: AAA

Contrast with black2.44:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#D0B675

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29508Cno red cones; affects about 1% of men; ΔE 5.6 from the original

Deuteranopia#194889no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#005862no blue cones; rare, and affects men and women equally; ΔE 41.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.6:1WCAG large text: AAA

Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.1 Steel blue · ΔE 27 Midnight blue · ΔE 27.4 Cornflower blue · ΔE 31.5 Rebecca purple · ΔE 31.5 Slate blue · ΔE 32.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.06, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8A702F

Analogous#2F768A, #432F8A

Triadic#8A2F49, #498A2F

Split complementary#8A432F, #768A2F

Tetradic#8A2F76, #8A702F, #2F8A43

Tints, shades & saturation

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

Lighter +40%#A5B6E0

Lighter +30%#7F97D3

Lighter +20%#5978C6

Lighter +10%#3C5DB0

Darker −10%#223564

Darker −20%#15213E

Darker −30%#080D18

Darker −40%#000000

More saturated +25%#183FA1

Less saturated −25%#465373

Channel breakdown

R47

G73

B138

Red47 (18.4%)

Green73 (28.6%)

Blue138 (54.1%)

Hue222.86°

Saturation (HSL)49.19%

Lightness36.27%

Dominant channelBlue

Hex per channelR 2F · G 49 · B 8A

Keep nerding

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#2F498A

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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