Recognised as Colour

#1B009C

#1B009C
Blue
Dark
Nearest: Dark blue

#1B009C is a blue with RGB values 27, 0, 156 and HSL 250°, 100%, 31%. 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

#1B009C#1B009C

HEX#1B009C

RGBrgb(27, 0, 156)

RGB (0–1)0.1059, 0, 0.6118

RGB percentages10.6%, 0%, 61.2%

HSLhsl(250.4, 100%, 30.6%)

HSV / HSBhsv(250.4, 100%, 61.2%)

CMYK82.7%, 100%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,769,628

CSS custom property--colour: #1B009C;

Brightness & contrast

Relative luminance0.02633WCAG 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 13.76:1

Contrast with white13.76:1WCAG normal text: AAA

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

Greyscale equivalent#111111

Inverted#E4FF63

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0034A0no red cones; affects about 1% of men; ΔE 27.9 from the original

Deuteranopia#00259Ano green cones; the most common form, about 1% of men; ΔE 18.9 from the original

Tritanopia#003E5Ano blue cones; rare, and affects men and women equally; ΔE 80.2 from the original

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

Contrast with white, large text13.76:1WCAG large text: AAA

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

Named colours

Dark blue · ΔE 7.4 Navy · ΔE 12.6 Indigo · ΔE 20 Medium blue · ΔE 23 Blue violet · ΔE 27.9 Dark orchid · ΔE 29.7

Nearest named CSS colourDark blue (#00008B)ΔE 7.43, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#819C00

Analogous#00339C, #69009C

Triadic#9C1B00, #009C1B

Split complementary#9C6900, #339C00

Tetradic#9C0033, #819C00, #009C69

Tints, shades & saturation

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

Lighter +40%#8369FF

Lighter +30%#5936FF

Lighter +20%#2F03FF

Lighter +10%#2400CF

Darker −10%#120069

Darker −20%#090036

Darker −30%#010003

Darker −40%#000000

More saturated +25%#1B009C

Less saturated −25%#281489

Channel breakdown

R27

B156

Red27 (10.6%)

Green0 (0%)

Blue156 (61.2%)

Hue250.38°

Saturation (HSL)100%

Lightness30.59%

Dominant channelBlue

Hex per channelR 1B · G 00 · B 9C

Keep nerding

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

#1B009C

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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