Recognised as Colour

#01008F

#01008F
Blue
Dark
Nearest: Dark blue

#01008F is a blue with RGB values 1, 0, 143 and HSL 240°, 100%, 28%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#01008F#01008F

HEX#01008F

RGBrgb(1, 0, 143)

RGB (0–1)0.0039, 0, 0.5608

RGB percentages0.4%, 0%, 56.1%

HSLhsl(240.4, 100%, 28%)

HSV / HSBhsv(240.4, 100%, 56.1%)

CMYK99.3%, 100%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer65,679

CSS custom property--colour: #01008F;

Brightness & contrast

Relative luminance0.0199WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.02:1

Contrast with white15.02:1WCAG normal text: AAA

Contrast with black1.4:1WCAG normal text: Fail

Greyscale equivalent#0B0B0B

Inverted#FEFF70

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002E92no red cones; affects about 1% of men; ΔE 26.4 from the original

Deuteranopia#001E8Dno green cones; the most common form, about 1% of men; ΔE 16.2 from the original

Tritanopia#003952no blue cones; rare, and affects men and women equally; ΔE 76.9 from the original

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

Contrast with white, large text15.02:1WCAG large text: AAA

Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Dark blue · ΔE 1.9 Navy · ΔE 7.1 Indigo · ΔE 17.5 Medium blue · ΔE 28.2 Midnight blue · ΔE 28.5 Rebecca purple · ΔE 30.1

Nearest named CSS colourDark blue (#00008B)ΔE 1.86, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8E8F00

Analogous#00478F, #48008F

Triadic#8F0100, #008F01

Split complementary#8F4800, #478F00

Tetradic#8F0047, #8E8F00, #008F48

Tints, shades & saturation

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

Lighter +40%#5D5CFF

Lighter +30%#2A29FF

Lighter +20%#0200F5

Lighter +10%#0100C2

Darker −10%#01005C

Darker −20%#000029

Darker −30%#000000

Darker −40%#000000

More saturated +25%#01008F

Less saturated −25%#13127D

Channel breakdown

B143

Red1 (0.4%)

Green0 (0%)

Blue143 (56.1%)

Hue240.42°

Saturation (HSL)100%

Lightness28.04%

Dominant channelBlue

Hex per channelR 01 · G 00 · B 8F

Keep nerding

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

#01008F

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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