Colour

#273A6B

#273A6B
Blue
Dark
Nearest: Dark slateblue

#273A6B is a blue with RGB values 39, 58, 107 and HSL 223°, 47%, 29%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#273A6B#273A6B

HEX#273A6B

RGBrgb(39, 58, 107)

RGB (0–1)0.1529, 0.2275, 0.4196

RGB percentages15.3%, 22.7%, 42%

HSLhsl(223.2, 46.6%, 28.6%)

HSV / HSBhsv(223.2, 63.6%, 42%)

CMYK63.6%, 45.8%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,570,859

CSS custom property--colour: #273A6B;

Brightness & contrast

Relative luminance0.04519WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.03:1

Contrast with white11.03:1WCAG normal text: AAA

Contrast with black1.9:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#D8C594

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#243F6Dno red cones; affects about 1% of men; ΔE 3.8 from the original

Deuteranopia#1A396Ano green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#00454Dno blue cones; rare, and affects men and women equally; ΔE 32.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.03:1WCAG large text: AAA

Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.9 Steel blue · ΔE 30.3 Midnight blue · ΔE 30.7 Dark slate grey · ΔE 34.9 Slate grey · ΔE 36.1 Dim grey · ΔE 37.5

Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.87, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6B5827

Analogous#275C6B, #36276B

Triadic#6B273A, #3A6B27

Split complementary#6B3627, #5C6B27

Tetradic#6B275C, #6B5827, #276B36

Tints, shades & saturation

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

Lighter +40%#8A9FD4

Lighter +30%#6480C7

Lighter +20%#4263B6

Lighter +10%#354E90

Darker −10%#192646

Darker −20%#0C1120

Darker −30%#000000

Darker −40%#000000

More saturated +25%#15327D

Less saturated −25%#394259

Channel breakdown

R39

G58

B107

Red39 (15.3%)

Green58 (22.7%)

Blue107 (42%)

Hue223.24°

Saturation (HSL)46.58%

Lightness28.63%

Dominant channelBlue

Hex per channelR 27 · G 3A · B 6B

Keep nerding

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

#273A6B

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