Colour

#1D009B

#1D009B
Blue
Dark
Nearest: Dark blue

#1D009B is a blue with RGB values 29, 0, 155 and HSL 251°, 100%, 30%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1D009B#1D009B

HEX#1D009B

RGBrgb(29, 0, 155)

RGB (0–1)0.1137, 0, 0.6078

RGB percentages11.4%, 0%, 60.8%

HSLhsl(251.2, 100%, 30.4%)

HSV / HSBhsv(251.2, 100%, 60.8%)

CMYK81.3%, 100%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,900,699

CSS custom property--colour: #1D009B;

Brightness & contrast

Relative luminance0.02628WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.77:1

Contrast with white13.77:1WCAG normal text: AAA

Contrast with black1.53:1WCAG normal text: Fail

Greyscale equivalent#111111

Inverted#E2FF64

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00349Fno red cones; affects about 1% of men; ΔE 28 from the original

Deuteranopia#002699no green cones; the most common form, about 1% of men; ΔE 19.7 from the original

Tritanopia#003E59no blue cones; rare, and affects men and women equally; ΔE 80.3 from the original

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

Contrast with white, large text13.77:1WCAG large text: AAA

Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark blue · ΔE 7 Navy · ΔE 12.1 Indigo · ΔE 19.4 Medium blue · ΔE 23.6 Blue violet · ΔE 28.1 Dark orchid · ΔE 29.6

Nearest named CSS colourDark blue (#00008B)ΔE 6.96, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7E9B00

Analogous#00309B, #6B009B

Triadic#9B1D00, #009B1D

Split complementary#9B6B00, #309B00

Tetradic#9B0030, #7E9B00, #009B6B

Tints, shades & saturation

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

Lighter +40%#8468FF

Lighter +30%#5B35FF

Lighter +20%#3102FF

Lighter +10%#2700CE

Darker −10%#130068

Darker −20%#0A0035

Darker −30%#000002

Darker −40%#000000

More saturated +25%#1D009B

Less saturated −25%#291388

Channel breakdown

R29

B155

Red29 (11.4%)

Green0 (0%)

Blue155 (60.8%)

Hue251.23°

Saturation (HSL)100%

Lightness30.39%

Dominant channelBlue

Hex per channelR 1D · G 00 · B 9B

Keep nerding

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

#1D009B

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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