Colour

#001CAA

#001CAA
Blue
Dark
Nearest: Dark blue

#001CAA is a blue with RGB values 0, 28, 170 and HSL 230°, 100%, 33%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#001CAA#001CAA

HEX#001CAA

RGBrgb(0, 28, 170)

RGB (0–1)0, 0.1098, 0.6667

RGB percentages0%, 11%, 66.7%

HSLhsl(230.1, 100%, 33.3%)

HSV / HSBhsv(230.1, 100%, 66.7%)

CMYK100%, 83.5%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer7,338

CSS custom property--colour: #001CAA;

Brightness & contrast

Relative luminance0.03733WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.3 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#202020

Inverted#FFE355

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003FAEno red cones; affects about 1% of men; ΔE 24.1 from the original

Deuteranopia#002EA8no green cones; the most common form, about 1% of men; ΔE 13.3 from the original

Tritanopia#004B65no blue cones; rare, and affects men and women equally; ΔE 79.8 from the original

Distinguishable without hueShifts in lightness toonever 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 blue · ΔE 9.9 Navy · ΔE 13.9 Indigo · ΔE 21.4 Medium blue · ΔE 25.1 Blue violet · ΔE 28.5 Rebecca purple · ΔE 29.7

Nearest named CSS colourDark blue (#00008B)ΔE 9.95, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AA8E00

Analogous#0071AA, #3900AA

Triadic#AA001C, #1CAA00

Split complementary#AA3900, #71AA00

Tetradic#AA0071, #AA8E00, #00AA39

Tints, shades & saturation

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

Lighter +40%#778DFF

Lighter +30%#4463FF

Lighter +20%#1138FF

Lighter +10%#0024DD

Darker −10%#001477

Darker −20%#000B44

Darker −30%#000311

Darker −40%#000000

More saturated +25%#001CAA

Less saturated −25%#152A95

Channel breakdown

G28

B170

Red0 (0%)

Green28 (11%)

Blue170 (66.7%)

Hue230.12°

Saturation (HSL)100%

Lightness33.33%

Dominant channelBlue

Hex per channelR 00 · G 1C · B AA

Keep nerding

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#001CAA

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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