Colour

#00182F

#00182F
Blue
Dark
Nearest: Black

#00182F is a blue with RGB values 0, 24, 47 and HSL 209°, 100%, 9%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00182F#00182F

HEX#00182F

RGBrgb(0, 24, 47)

RGB (0–1)0, 0.0941, 0.1843

RGB percentages0%, 9.4%, 18.4%

HSLhsl(209.4, 100%, 9.2%)

HSV / HSBhsv(209.4, 100%, 18.4%)

CMYK100%, 48.9%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,191

CSS custom property--colour: #00182F;

Brightness & contrast

Relative luminance0.00859WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.92:1

Contrast with white17.92:1WCAG normal text: AAA

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

Greyscale equivalent#151515

Inverted#FFE7D0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0C1930no red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#05152Fno green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#001E21no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.92:1WCAG large text: AAA

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

Named colours

Black · ΔE 19.8 Dark slate grey · ΔE 30.4 Dim grey · ΔE 40.9 Dark slateblue · ΔE 41.6 Midnight blue · ΔE 44.7 Slate grey · ΔE 45.8

Nearest named CSS colourBlack (#000000)ΔE 19.76, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F1700

Analogous#002F2E, #00012F

Triadic#2F0018, #182F00

Split complementary#2F0001, #2F2E00

Tetradic#2E002F, #2F1700, #012F00

Tints, shades & saturation

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

Lighter +40%#0080FB

Lighter +30%#0066C8

Lighter +20%#004C95

Lighter +10%#003262

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00182F

Less saturated −25%#061829

Channel breakdown

G24

B47

Red0 (0%)

Green24 (9.4%)

Blue47 (18.4%)

Hue209.36°

Saturation (HSL)100%

Lightness9.22%

Dominant channelBlue

Hex per channelR 00 · G 18 · B 2F

Keep nerding

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#00182F

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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