Colour

#004B8B

#004B8B
Blue
Dark
Nearest: Dark slateblue

#004B8B is a blue with RGB values 0, 75, 139 and HSL 208°, 100%, 27%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004B8B#004B8B

HEX#004B8B

RGBrgb(0, 75, 139)

RGB (0–1)0, 0.2941, 0.5451

RGB percentages0%, 29.4%, 54.5%

HSLhsl(207.6, 100%, 27.3%)

HSV / HSBhsv(207.6, 100%, 54.5%)

CMYK100%, 46%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer19,339

CSS custom property--colour: #004B8B;

Brightness & contrast

Relative luminance0.06896WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.83:1

Contrast with white8.83:1WCAG normal text: AAA

Contrast with black2.38:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#FFB474

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#28508Dno red cones; affects about 1% of men; ΔE 4.3 from the original

Deuteranopia#06458Ano green cones; the most common form, about 1% of men; ΔE 5 from the original

Tritanopia#005B64no blue cones; rare, and affects men and women equally; ΔE 39.1 from the original

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

Contrast with white, large text8.83:1WCAG large text: AAA

Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.8 Steel blue · ΔE 25 Midnight blue · ΔE 31.1 Cornflower blue · ΔE 31.6 Royal blue · ΔE 35.3 Dodgerblue · ΔE 35.9

Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.81, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B4000

Analogous#008B86, #00058B

Triadic#8B004B, #4B8B00

Split complementary#8B0005, #8B8500

Tetradic#86008B, #8B4000, #058B00

Tints, shades & saturation

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

Lighter +40%#58B2FF

Lighter +30%#259BFF

Lighter +20%#0082F1

Lighter +10%#0067BE

Darker −10%#002F58

Darker −20%#001425

Darker −30%#000000

Darker −40%#000000

More saturated +25%#004B8B

Less saturated −25%#114A7A

Channel breakdown

G75

B139

Red0 (0%)

Green75 (29.4%)

Blue139 (54.5%)

Hue207.63°

Saturation (HSL)100%

Lightness27.25%

Dominant channelBlue

Hex per channelR 00 · G 4B · B 8B

Keep nerding

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

#004B8B

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

Nerdulate something else