Colour

#00042A

#00042A
Blue
Dark
Nearest: Black

#00042A is a blue with RGB values 0, 4, 42 and HSL 234°, 100%, 8%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00042A#00042A

HEX#00042A

RGBrgb(0, 4, 42)

RGB (0–1)0, 0.0157, 0.1647

RGB percentages0%, 1.6%, 16.5%

HSLhsl(234.3, 100%, 8.2%)

HSV / HSBhsv(234.3, 100%, 16.5%)

CMYK100%, 90.5%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,066

CSS custom property--colour: #00042A;

Brightness & contrast

Relative luminance0.00254WCAG 2.x, 0 is black and 1 is white

Perceived brightness14.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.98:1

Contrast with white19.98:1WCAG normal text: AAA

Contrast with black1.05:1WCAG normal text: Fail

Greyscale equivalent#060606

Inverted#FFFBD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000B2Bno red cones; affects about 1% of men; ΔE 3.1 from the original

Deuteranopia#000629no green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#000E16no blue cones; rare, and affects men and women equally; ΔE 20.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.98:1WCAG large text: AAA

Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 24.9 Midnight blue · ΔE 37.5 Dark slateblue · ΔE 38.3 Dark slate grey · ΔE 40.5 Dim grey · ΔE 48.9 Rebecca purple · ΔE 51.6

Nearest named CSS colourBlack (#000000)ΔE 24.86, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2A2600

Analogous#00192A, #11002A

Triadic#2A0004, #042A00

Split complementary#2A1100, #192A00

Tetradic#2A0019, #2A2600, #002A11

Tints, shades & saturation

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

Lighter +40%#0017F6

Lighter +30%#0013C3

Lighter +20%#000E90

Lighter +10%#00095D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00042A

Less saturated −25%#050825

Channel breakdown

B42

Red0 (0%)

Green4 (1.6%)

Blue42 (16.5%)

Hue234.29°

Saturation (HSL)100%

Lightness8.24%

Dominant channelBlue

Hex per channelR 00 · G 04 · B 2A

Keep nerding

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

#00042A

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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