Colour

#030509

#030509
Blue
Dark
Nearest: Black

#030509 is a blue with RGB values 3, 5, 9 and HSL 220°, 50%, 2%. It is a dark colour, so white text on it reaches 20.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#030509#030509

HEX#030509

RGBrgb(3, 5, 9)

RGB (0–1)0.0118, 0.0196, 0.0353

RGB percentages1.2%, 2%, 3.5%

HSLhsl(220, 50%, 2.4%)

HSV / HSBhsv(220, 66.7%, 3.5%)

CMYK66.7%, 44.4%, 0%, 96.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer197,897

CSS custom property--colour: #030509;

Brightness & contrast

Relative luminance0.00148WCAG 2.x, 0 is black and 1 is white

Perceived brightness5.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.4:1

Contrast with white20.4:1WCAG normal text: AAA

Contrast with black1.03:1WCAG normal text: Fail

Greyscale equivalent#050505

Inverted#FCFAF6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#040509no red cones; affects about 1% of men; ΔE 0.3 from the original

Deuteranopia#030509no green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#020606no blue cones; rare, and affects men and women equally; ΔE 1.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.4:1WCAG large text: AAA

Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 2.2 Dark slate grey · ΔE 32.2 Dim grey · ΔE 43.1 Gray · ΔE 52.3 Slate grey · ΔE 52.3 Dark olivegreen · ΔE 55.4

Nearest named CSS colourBlack (#000000)ΔE 2.16, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#090703

Analogous#030809, #040309

Triadic#090305, #050903

Split complementary#090403, #080903

Tetradic#090308, #090703, #030904

Tints, shades & saturation

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

Lighter +40%#365AA2

Lighter +30%#29457C

Lighter +20%#1D3055

Lighter +10%#101A2F

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#01050B

Less saturated −25%#050607

Channel breakdown

Red3 (1.2%)

Green5 (2%)

Blue9 (3.5%)

Hue220°

Saturation (HSL)50%

Lightness2.35%

Dominant channelBlue

Hex per channelR 03 · G 05 · B 09

Keep nerding

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

#030509

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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