Colour

#121D1F

#121D1F
Cyan
Dark
Nearest: Black

#121D1F is a cyan with RGB values 18, 29, 31 and HSL 189°, 27%, 10%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121D1F#121D1F

HEX#121D1F

RGBrgb(18, 29, 31)

RGB (0–1)0.0706, 0.1137, 0.1216

RGB percentages7.1%, 11.4%, 12.2%

HSLhsl(189.2, 26.5%, 9.6%)

HSV / HSBhsv(189.2, 41.9%, 12.2%)

CMYK41.9%, 6.5%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,187,103

CSS custom property--colour: #121D1F;

Brightness & contrast

Relative luminance0.01106WCAG 2.x, 0 is black and 1 is white

Perceived brightness26.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.2:1

Contrast with white17.2:1WCAG normal text: AAA

Contrast with black1.22:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#EDE2E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1C1Fno red cones; affects about 1% of men; ΔE 4.6 from the original

Deuteranopia#191A1Fno green cones; the most common form, about 1% of men; ΔE 5.2 from the original

Tritanopia#0D1E1Eno blue cones; rare, and affects men and women equally; ΔE 2.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.2:1WCAG large text: AAA

Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Black · ΔE 11.1 Dark slate grey · ΔE 22.7 Dim grey · ΔE 35 Slate grey · ΔE 43.7 Gray · ΔE 44 Teal · ΔE 46

Nearest named CSS colourBlack (#000000)ΔE 11.12, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F1412

Analogous#121F1B, #12161F

Triadic#1F121D, #1D1F12

Split complementary#1F1216, #1F1A12

Tetradic#1B121F, #1F1412, #171F12

Tints, shades & saturation

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

Lighter +40%#5D96A0

Lighter +30%#4A7880

Lighter +20%#375960

Lighter +10%#253B3F

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0C2125

Less saturated −25%#181919

Channel breakdown

R18

G29

B31

Red18 (7.1%)

Green29 (11.4%)

Blue31 (12.2%)

Hue189.23°

Saturation (HSL)26.53%

Lightness9.61%

Dominant channelBlue

Hex per channelR 12 · G 1D · B 1F

Keep nerding

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

#121D1F

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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