Colour

#1A3273

#1A3273
Blue
Dark
Nearest: Dark slateblue

#1A3273 is a blue with RGB values 26, 50, 115 and HSL 224°, 63%, 28%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1A3273#1A3273

HEX#1A3273

RGBrgb(26, 50, 115)

RGB (0–1)0.102, 0.1961, 0.451

RGB percentages10.2%, 19.6%, 45.1%

HSLhsl(223.8, 63.1%, 27.6%)

HSV / HSBhsv(223.8, 77.4%, 45.1%)

CMYK77.4%, 56.5%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,716,851

CSS custom property--colour: #1A3273;

Brightness & contrast

Relative luminance0.03739WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.02:1

Contrast with white12.02:1WCAG normal text: AAA

Contrast with black1.75:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#E5CD8C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003B75no red cones; affects about 1% of men; ΔE 8.6 from the original

Deuteranopia#003272no green cones; the most common form, about 1% of men; ΔE 3.1 from the original

Tritanopia#00424Dno blue cones; rare, and affects men and women equally; ΔE 41.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.02:1WCAG large text: AAA

Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.2 Midnight blue · ΔE 19.7 Rebecca purple · ΔE 29.7 Slate blue · ΔE 35 Steel blue · ΔE 36.6 Royal blue · ΔE 37

Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.15, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#735B1A

Analogous#1A5E73, #2F1A73

Triadic#731A32, #32731A

Split complementary#732F1A, #5E731A

Tetradic#731A5E, #735B1A, #1A732F

Tints, shades & saturation

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

Lighter +40%#7895E1

Lighter +30%#4F74D7

Lighter +20%#2D56C6

Lighter +10%#23449D

Darker −10%#112049

Darker −20%#070E20

Darker −30%#000000

Darker −40%#000000

More saturated +25%#082A85

Less saturated −25%#2C3A61

Channel breakdown

R26

G50

B115

Red26 (10.2%)

Green50 (19.6%)

Blue115 (45.1%)

Hue223.82°

Saturation (HSL)63.12%

Lightness27.65%

Dominant channelBlue

Hex per channelR 1A · G 32 · B 73

Keep nerding

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#1A3273

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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