Colour

#121D23

#121D23
Blue
Dark
Nearest: Black

#121D23 is a blue with RGB values 18, 29, 35 and HSL 201°, 32%, 10%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121D23#121D23

HEX#121D23

RGBrgb(18, 29, 35)

RGB (0–1)0.0706, 0.1137, 0.1373

RGB percentages7.1%, 11.4%, 13.7%

HSLhsl(201.2, 32.1%, 10.4%)

HSV / HSBhsv(201.2, 48.6%, 13.7%)

CMYK48.6%, 17.1%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,187,107

CSS custom property--colour: #121D23;

Brightness & contrast

Relative luminance0.01129WCAG 2.x, 0 is black and 1 is white

Perceived brightness27 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.13:1

Contrast with white17.13:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#EDE2DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1D23no red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#181B23no green cones; the most common form, about 1% of men; ΔE 3.9 from the original

Tritanopia#0C1F1Fno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.13:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 11.9 Dark slate grey · ΔE 23.1 Dim grey · ΔE 35 Slate grey · ΔE 43.1 Gray · ΔE 44 Light slate grey · ΔE 46.2

Nearest named CSS colourBlack (#000000)ΔE 11.86, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#231812

Analogous#122321, #121423

Triadic#23121D, #1D2312

Split complementary#231214, #232112

Tetradic#211223, #231812, #142312

Tints, shades & saturation

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

Lighter +40%#588CA9

Lighter +30%#467188

Lighter +20%#355566

Lighter +10%#233945

Darker −10%#010101

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0B1F2A

Less saturated −25%#191B1C

Channel breakdown

R18

G29

B35

Red18 (7.1%)

Green29 (11.4%)

Blue35 (13.7%)

Hue201.18°

Saturation (HSL)32.08%

Lightness10.39%

Dominant channelBlue

Hex per channelR 12 · G 1D · B 23

Keep nerding

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

#121D23

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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