Recognised as Colour

#00182B

#00182B
Blue
Dark
Nearest: Black

#00182B is a blue with RGB values 0, 24, 43 and HSL 207°, 100%, 8%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00182B#00182B

HEX#00182B

RGBrgb(0, 24, 43)

RGB (0–1)0, 0.0941, 0.1686

RGB percentages0%, 9.4%, 16.9%

HSLhsl(206.5, 100%, 8.4%)

HSV / HSBhsv(206.5, 100%, 16.9%)

CMYK100%, 44.2%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,187

CSS custom property--colour: #00182B;

Brightness & contrast

Relative luminance0.00828WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.02:1

Contrast with white18.02:1WCAG normal text: AAA

Contrast with black1.17:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#FFE7D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0F192Cno red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#08152Bno green cones; the most common form, about 1% of men; ΔE 4.4 from the original

Tritanopia#001D1Fno blue cones; rare, and affects men and women equally; ΔE 14.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.02:1WCAG large text: AAA

Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 17.4 Dark slate grey · ΔE 28.7 Dim grey · ΔE 40.1 Dark slateblue · ΔE 44.4 Slate grey · ΔE 45.7 Midnight blue · ΔE 47.9

Nearest named CSS colourBlack (#000000)ΔE 17.36, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B1300

Analogous#002B29, #00032B

Triadic#2B0018, #182B00

Split complementary#2B0003, #2B2900

Tetradic#29002B, #2B1300, #032B00

Tints, shades & saturation

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

Lighter +40%#008AF7

Lighter +30%#006DC4

Lighter +20%#005191

Lighter +10%#00345E

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00182B

Less saturated −25%#051726

Channel breakdown

G24

B43

Red0 (0%)

Green24 (9.4%)

Blue43 (16.9%)

Hue206.51°

Saturation (HSL)100%

Lightness8.43%

Dominant channelBlue

Hex per channelR 00 · G 18 · B 2B

Keep nerding

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

#00182B

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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