Colour

#121F3D

#121F3D
Blue
Dark
Nearest: Black

#121F3D is a blue with RGB values 18, 31, 61 and HSL 222°, 54%, 15%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121F3D#121F3D

HEX#121F3D

RGBrgb(18, 31, 61)

RGB (0–1)0.0706, 0.1216, 0.2392

RGB percentages7.1%, 12.2%, 23.9%

HSLhsl(221.9, 54.4%, 15.5%)

HSV / HSBhsv(221.9, 70.5%, 23.9%)

CMYK70.5%, 49.2%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,187,645

CSS custom property--colour: #121F3D;

Brightness & contrast

Relative luminance0.01445WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.29:1

Contrast with white16.29:1WCAG normal text: AAA

Contrast with black1.29:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#EDE0C2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#11223Eno red cones; affects about 1% of men; ΔE 2.5 from the original

Deuteranopia#0B1E3Cno green cones; the most common form, about 1% of men; ΔE 1.5 from the original

Tritanopia#00262Bno blue cones; rare, and affects men and women equally; ΔE 21.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.29:1WCAG large text: AAA

Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Black · ΔE 25 Dark slate grey · ΔE 31.1 Dark slateblue · ΔE 34.6 Midnight blue · ΔE 38.7 Dim grey · ΔE 38.8 Slate grey · ΔE 42.7

Nearest named CSS colourBlack (#000000)ΔE 25, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3D3012

Analogous#12343D, #1B123D

Triadic#3D121F, #1F3D12

Split complementary#3D1B12, #343D12

Tetradic#3D1234, #3D3012, #123D1B

Tints, shades & saturation

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

Lighter +40%#5075CB

Lighter +30%#355BB3

Lighter +20%#29478C

Lighter +10%#1E3364

Darker −10%#060B16

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#081B47

Less saturated −25%#1C2333

Channel breakdown

R18

G31

B61

Red18 (7.1%)

Green31 (12.2%)

Blue61 (23.9%)

Hue221.86°

Saturation (HSL)54.43%

Lightness15.49%

Dominant channelBlue

Hex per channelR 12 · G 1F · B 3D

Keep nerding

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

#121F3D

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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