Colour

#121D71

#121D71
Blue
Dark
Nearest: Midnight blue

#121D71 is a blue with RGB values 18, 29, 113 and HSL 233°, 73%, 26%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#121D71#121D71

HEX#121D71

RGBrgb(18, 29, 113)

RGB (0–1)0.0706, 0.1137, 0.4431

RGB percentages7.1%, 11.4%, 44.3%

HSLhsl(233.1, 72.5%, 25.7%)

HSV / HSBhsv(233.1, 84.1%, 44.3%)

CMYK84.1%, 74.3%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,187,185

CSS custom property--colour: #121D71;

Brightness & contrast

Relative luminance0.022WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.58:1

Contrast with white14.58:1WCAG normal text: AAA

Contrast with black1.44:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#EDE28E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002D74no red cones; affects about 1% of men; ΔE 13 from the original

Deuteranopia#00246Fno green cones; the most common form, about 1% of men; ΔE 7.6 from the original

Tritanopia#003545no blue cones; rare, and affects men and women equally; ΔE 51.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text14.58:1WCAG large text: AAA

Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 2.9 Dark slateblue · ΔE 16.2 Rebecca purple · ΔE 21.7 Indigo · ΔE 23.5 Navy · ΔE 24.5 Dark blue · ΔE 29.1

Nearest named CSS colourMidnight blue (#191970)ΔE 2.92, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#716612

Analogous#124C71, #371271

Triadic#71121D, #1D7112

Split complementary#713712, #4C7112

Tetradic#71124C, #716612, #127137

Tints, shades & saturation

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

Lighter +40%#6877E7

Lighter +30%#3C4FE0

Lighter +20%#2034C9

Lighter +10%#19289D

Darker −10%#0B1245

Darker −20%#040619

Darker −30%#000000

Darker −40%#000000

More saturated +25%#021081

Less saturated −25%#222A61

Channel breakdown

R18

G29

B113

Red18 (7.1%)

Green29 (11.4%)

Blue113 (44.3%)

Hue233.05°

Saturation (HSL)72.52%

Lightness25.69%

Dominant channelBlue

Hex per channelR 12 · G 1D · B 71

Keep nerding

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

#121D71

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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