Recognised as Colour

#1D00AC

#1D00AC
Blue
Dark
Nearest: Dark blue

#1D00AC is a blue with RGB values 29, 0, 172 and HSL 250°, 100%, 34%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1D00AC#1D00AC

HEX#1D00AC

RGBrgb(29, 0, 172)

RGB (0–1)0.1137, 0, 0.6745

RGB percentages11.4%, 0%, 67.5%

HSLhsl(250.1, 100%, 33.7%)

HSV / HSBhsv(250.1, 100%, 67.5%)

CMYK83.1%, 100%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,900,716

CSS custom property--colour: #1D00AC;

Brightness & contrast

Relative luminance0.0324WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.74:1

Contrast with white12.74:1WCAG normal text: AAA

Contrast with black1.65:1WCAG normal text: Fail

Greyscale equivalent#131313

Inverted#E2FF53

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003AB0no red cones; affects about 1% of men; ΔE 30 from the original

Deuteranopia#002AAAno green cones; the most common form, about 1% of men; ΔE 20.5 from the original

Tritanopia#004563no blue cones; rare, and affects men and women equally; ΔE 86.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text12.74:1WCAG large text: AAA

Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.7 Medium blue · ΔE 15.7 Navy · ΔE 19.9 Blue violet · ΔE 24 Indigo · ΔE 26.4 Dark violet · ΔE 26.5

Nearest named CSS colourDark blue (#00008B)ΔE 14.66, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8FAC00

Analogous#0039AC, #7300AC

Triadic#AC1D00, #00AC1D

Split complementary#AC7300, #39AC00

Tetradic#AC0039, #8FAC00, #00AC73

Tints, shades & saturation

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

Lighter +40%#9079FF

Lighter +30%#6546FF

Lighter +20%#3B13FF

Lighter +10%#2600DF

Darker −10%#140079

Darker −20%#0C0046

Darker −30%#030013

Darker −40%#000000

More saturated +25%#1D00AC

Less saturated −25%#2B1697

Channel breakdown

R29

B172

Red29 (11.4%)

Green0 (0%)

Blue172 (67.5%)

Hue250.12°

Saturation (HSL)100%

Lightness33.73%

Dominant channelBlue

Hex per channelR 1D · G 00 · B AC

Keep nerding

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

#1D00AC

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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