Colour

#273F72

#273F72
Blue
Dark
Nearest: Dark slateblue

#273F72 is a blue with RGB values 39, 63, 114 and HSL 221°, 49%, 30%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#273F72#273F72

HEX#273F72

RGBrgb(39, 63, 114)

RGB (0–1)0.1529, 0.2471, 0.4471

RGB percentages15.3%, 24.7%, 44.7%

HSLhsl(220.8, 49%, 30%)

HSV / HSBhsv(220.8, 65.8%, 44.7%)

CMYK65.8%, 44.7%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,572,146

CSS custom property--colour: #273F72;

Brightness & contrast

Relative luminance0.05201WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.29:1

Contrast with white10.29:1WCAG normal text: AAA

Contrast with black2.04:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#D8C08D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#284474no red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#1C3D71no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#004B53no blue cones; rare, and affects men and women equally; ΔE 33.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.29:1WCAG large text: AAA

Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.4 Steel blue · ΔE 28.1 Midnight blue · ΔE 31.1 Slate grey · ΔE 35.1 Dark slate grey · ΔE 35.2 Light slate grey · ΔE 37.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.42, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#725A27

Analogous#276572, #342772

Triadic#72273F, #3F7227

Split complementary#723527, #657227

Tetradic#722765, #725A27, #277235

Tints, shades & saturation

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

Lighter +40%#8DA5D8

Lighter +30%#6787CB

Lighter +20%#4169BE

Lighter +10%#345498

Darker −10%#1A2A4C

Darker −20%#0D1526

Darker −30%#000000

Darker −40%#000000

More saturated +25%#143885

Less saturated −25%#3A465F

Channel breakdown

R39

G63

B114

Red39 (15.3%)

Green63 (24.7%)

Blue114 (44.7%)

Hue220.8°

Saturation (HSL)49.02%

Lightness30%

Dominant channelBlue

Hex per channelR 27 · G 3F · B 72

Keep nerding

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

#273F72

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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