Colour

#334D8B

#334D8B
Blue
Dark
Nearest: Dark slateblue

#334D8B is a blue with RGB values 51, 77, 139 and HSL 222°, 46%, 37%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#334D8B#334D8B

HEX#334D8B

RGBrgb(51, 77, 139)

RGB (0–1)0.2, 0.302, 0.5451

RGB percentages20%, 30.2%, 54.5%

HSLhsl(222.3, 46.3%, 37.3%)

HSV / HSBhsv(222.3, 63.3%, 54.5%)

CMYK63.3%, 44.6%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,362,187

CSS custom property--colour: #334D8B;

Brightness & contrast

Relative luminance0.07876WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.15:1

Contrast with white8.15:1WCAG normal text: AAA

Contrast with black2.58:1WCAG normal text: Fail

Greyscale equivalent#4C4C4C

Inverted#CCB274

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#31548Dno red cones; affects about 1% of men; ΔE 5.2 from the original

Deuteranopia#234C8Ano green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#005B65no blue cones; rare, and affects men and women equally; ΔE 39.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.15:1WCAG large text: AAA

Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.2 Steel blue · ΔE 24.5 Midnight blue · ΔE 30 Cornflower blue · ΔE 30.6 Rebecca purple · ΔE 33.5 Slate blue · ΔE 34.4

Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.15, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B7133

Analogous#33798B, #45338B

Triadic#8B334D, #4D8B33

Split complementary#8B4533, #798B33

Tetradic#8B3379, #8B7133, #338B45

Tints, shades & saturation

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

Lighter +40%#AABAE0

Lighter +30%#859CD2

Lighter +20%#607DC4

Lighter +10%#4162B0

Darker −10%#253866

Darker −20%#182440

Darker −30%#0A0F1B

Darker −40%#000000

More saturated +25%#1B43A3

Less saturated −25%#4B5773

Channel breakdown

R51

G77

B139

Red51 (20%)

Green77 (30.2%)

Blue139 (54.5%)

Hue222.27°

Saturation (HSL)46.32%

Lightness37.25%

Dominant channelBlue

Hex per channelR 33 · G 4D · B 8B

Keep nerding

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

#334D8B

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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