Colour

#001A42

#001A42
Blue
Dark
Nearest: Dark slateblue

#001A42 is a blue with RGB values 0, 26, 66 and HSL 216°, 100%, 13%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#001A42#001A42

HEX#001A42

RGBrgb(0, 26, 66)

RGB (0–1)0, 0.102, 0.2588

RGB percentages0%, 10.2%, 25.9%

HSLhsl(216.4, 100%, 12.9%)

HSV / HSBhsv(216.4, 100%, 25.9%)

CMYK100%, 60.6%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,722

CSS custom property--colour: #001A42;

Brightness & contrast

Relative luminance0.01132WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.12:1

Contrast with white17.12:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#FFE5BD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001F43no red cones; affects about 1% of men; ΔE 4.5 from the original

Deuteranopia#001941no green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#00242Bno blue cones; rare, and affects men and women equally; ΔE 27.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.12:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 30.4 Black · ΔE 31.2 Midnight blue · ΔE 31.9 Dark slate grey · ΔE 38.3 Steel blue · ΔE 44.5 Rebecca purple · ΔE 45.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 30.35, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#422800

Analogous#003B42, #070042

Triadic#42001A, #1A4200

Split complementary#420700, #3B4200

Tetradic#42003B, #422800, #004207

Tints, shades & saturation

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

Lighter +40%#0F6EFF

Lighter +30%#0056DB

Lighter +20%#0042A8

Lighter +10%#002E75

Darker −10%#00060F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001A42

Less saturated −25%#081C3A

Channel breakdown

G26

B66

Red0 (0%)

Green26 (10.2%)

Blue66 (25.9%)

Hue216.36°

Saturation (HSL)100%

Lightness12.94%

Dominant channelBlue

Hex per channelR 00 · G 1A · B 42

Keep nerding

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#001A42

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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