Recognised as Colour

#18312E

#18312E
Cyan
Dark
Nearest: Dark slate grey

#18312E is a cyan with RGB values 24, 49, 46 and HSL 173°, 34%, 14%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#18312E#18312E

HEX#18312E

RGBrgb(24, 49, 46)

RGB (0–1)0.0941, 0.1922, 0.1804

RGB percentages9.4%, 19.2%, 18%

HSLhsl(172.8, 34.2%, 14.3%)

HSV / HSBhsv(172.8, 51%, 19.2%)

CMYK51%, 0%, 6.1%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,585,454

CSS custom property--colour: #18312E;

Brightness & contrast

Relative luminance0.02588WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.84:1

Contrast with white13.84:1WCAG normal text: AAA

Contrast with black1.52:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#E7CED1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2F2F2Eno red cones; affects about 1% of men; ΔE 10.6 from the original

Deuteranopia#2A2B2Eno green cones; the most common form, about 1% of men; ΔE 11 from the original

Tritanopia#0E3230no blue cones; rare, and affects men and women equally; ΔE 3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.84:1WCAG large text: AAA

Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.3 Black · ΔE 21.2 Dim grey · ΔE 28.2 Teal · ΔE 35.8 Slate grey · ΔE 36.8 Gray · ΔE 36.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.25, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31181B

Analogous#183121, #182831

Triadic#2E1831, #312E18

Split complementary#311828, #312118

Tetradic#211831, #31181B, #283118

Tints, shades & saturation

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

Lighter +40%#63B2A9

Lighter +30%#4A988E

Lighter +20%#3A756E

Lighter +10%#29534E

Darker −10%#070F0E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F3A35

Less saturated −25%#212827

Channel breakdown

R24

G49

B46

Red24 (9.4%)

Green49 (19.2%)

Blue46 (18%)

Hue172.8°

Saturation (HSL)34.25%

Lightness14.31%

Dominant channelGreen

Hex per channelR 18 · G 31 · B 2E

Keep nerding

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

#18312E

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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