Colour

#03181A

#03181A
Cyan
Dark
Nearest: Black

#03181A is a cyan with RGB values 3, 24, 26 and HSL 185°, 79%, 6%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#03181A#03181A

HEX#03181A

RGBrgb(3, 24, 26)

RGB (0–1)0.0118, 0.0941, 0.102

RGB percentages1.2%, 9.4%, 10.2%

HSLhsl(185.2, 79.3%, 5.7%)

HSV / HSBhsv(185.2, 88.5%, 10.2%)

CMYK88.5%, 7.7%, 0%, 89.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer202,778

CSS custom property--colour: #03181A;

Brightness & contrast

Relative luminance0.00747WCAG 2.x, 0 is black and 1 is white

Perceived brightness20.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.27:1

Contrast with white18.27:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#FCE7E5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#15171Ano red cones; affects about 1% of men; ΔE 6.7 from the original

Deuteranopia#12141Ano green cones; the most common form, about 1% of men; ΔE 7.3 from the original

Tritanopia#001919no blue cones; rare, and affects men and women equally; ΔE 2.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.27:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 10.2 Dark slate grey · ΔE 25 Dim grey · ΔE 38.4 Slate grey · ΔE 46.8 Teal · ΔE 47.3 Gray · ΔE 47.5

Nearest named CSS colourBlack (#000000)ΔE 10.18, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1A0503

Analogous#031A10, #030D1A

Triadic#1A0318, #181A03

Split complementary#1A030D, #1A1003

Tetradic#10031A, #1A0503, #0D1A03

Tints, shades & saturation

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

Lighter +40%#18C1D1

Lighter +30%#1397A3

Lighter +20%#0E6C75

Lighter +10%#084248

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001A1D

Less saturated −25%#071516

Channel breakdown

G24

B26

Red3 (1.2%)

Green24 (9.4%)

Blue26 (10.2%)

Hue185.22°

Saturation (HSL)79.31%

Lightness5.69%

Dominant channelBlue

Hex per channelR 03 · G 18 · B 1A

Keep nerding

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

#03181A

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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