Colour

#2D3F9F

#2D3F9F
Blue
Dark
Nearest: Dark slateblue

#2D3F9F is a blue with RGB values 45, 63, 159 and HSL 231°, 56%, 40%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D3F9F#2D3F9F

HEX#2D3F9F

RGBrgb(45, 63, 159)

RGB (0–1)0.1765, 0.2471, 0.6235

RGB percentages17.6%, 24.7%, 62.4%

HSLhsl(230.5, 55.9%, 40%)

HSV / HSBhsv(230.5, 71.7%, 62.4%)

CMYK71.7%, 60.4%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,965,407

CSS custom property--colour: #2D3F9F;

Brightness & contrast

Relative luminance0.06616WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.04:1

Contrast with white9.04:1WCAG normal text: AAA

Contrast with black2.32:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#D2C060

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004EA2no red cones; affects about 1% of men; ΔE 13.5 from the original

Deuteranopia#00449Dno green cones; the most common form, about 1% of men; ΔE 8 from the original

Tritanopia#005769no blue cones; rare, and affects men and women equally; ΔE 56.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text9.04:1WCAG large text: AAA

Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.2 Midnight blue · ΔE 16.6 Slate blue · ΔE 17.6 Rebecca purple · ΔE 17.8 Royal blue · ΔE 20.2 Medium purple · ΔE 26.4

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.19, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9F8D2D

Analogous#2D789F, #542D9F

Triadic#9F2D3F, #3F9F2D

Split complementary#9F542D, #789F2D

Tetradic#9F2D78, #9F8D2D, #2D9F54

Tints, shades & saturation

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

Lighter +40%#B0B9E9

Lighter +30%#8895DD

Lighter +20%#6072D2

Lighter +10%#384FC7

Darker −10%#222F77

Darker −20%#172050

Darker −30%#0B1028

Darker −40%#000000

More saturated +25%#142EB9

Less saturated −25%#475086

Channel breakdown

R45

G63

B159

Red45 (17.6%)

Green63 (24.7%)

Blue159 (62.4%)

Hue230.53°

Saturation (HSL)55.88%

Lightness40%

Dominant channelBlue

Hex per channelR 2D · G 3F · B 9F

Keep nerding

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

#2D3F9F

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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