Recognised as Colour

#021B18

#021B18
Cyan
Dark
Nearest: Black

#021B18 is a cyan with RGB values 2, 27, 24 and HSL 173°, 86%, 6%. 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

#021B18#021B18

HEX#021B18

RGBrgb(2, 27, 24)

RGB (0–1)0.0078, 0.1059, 0.0941

RGB percentages0.8%, 10.6%, 9.4%

HSLhsl(172.8, 86.2%, 5.7%)

HSV / HSBhsv(172.8, 92.6%, 10.6%)

CMYK92.6%, 0%, 11.1%, 89.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer138,008

CSS custom property--colour: #021B18;

Brightness & contrast

Relative luminance0.00863WCAG 2.x, 0 is black and 1 is white

Perceived brightness22.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.91:1

Contrast with white17.91:1WCAG normal text: AAA

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

Greyscale equivalent#151515

Inverted#FDE4E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#191918no red cones; affects about 1% of men; ΔE 9.7 from the original

Deuteranopia#151618no green cones; the most common form, about 1% of men; ΔE 9.9 from the original

Tritanopia#001C1Ano blue cones; rare, and affects men and women equally; ΔE 1.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.91:1WCAG large text: AAA

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

Named colours

Black · ΔE 12.5 Dark slate grey · ΔE 23.7 Dim grey · ΔE 37.9 Teal · ΔE 45.4 Slate grey · ΔE 46.7 Gray · ΔE 46.8

Nearest named CSS colourBlack (#000000)ΔE 12.52, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1B0205

Analogous#021B0B, #02121B

Triadic#18021B, #1B1802

Split complementary#1B0212, #1B0B02

Tetradic#0B021B, #1B0205, #121B02

Tints, shades & saturation

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

Lighter +40%#10D9C1

Lighter +30%#0DA997

Lighter +20%#097A6C

Lighter +10%#064A42

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001D1A

Less saturated −25%#061715

Channel breakdown

G27

B24

Red2 (0.8%)

Green27 (10.6%)

Blue24 (9.4%)

Hue172.8°

Saturation (HSL)86.21%

Lightness5.69%

Dominant channelGreen

Hex per channelR 02 · G 1B · B 18

Keep nerding

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

#021B18

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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