Colour

#121C28

#121C28
Blue
Dark
Nearest: Black

#121C28 is a blue with RGB values 18, 28, 40 and HSL 213°, 38%, 11%. 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

#121C28#121C28

HEX#121C28

RGBrgb(18, 28, 40)

RGB (0–1)0.0706, 0.1098, 0.1569

RGB percentages7.1%, 11%, 15.7%

HSLhsl(212.7, 37.9%, 11.4%)

HSV / HSBhsv(212.7, 55%, 15.7%)

CMYK55%, 30%, 0%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,186,856

CSS custom property--colour: #121C28;

Brightness & contrast

Relative luminance0.01112WCAG 2.x, 0 is black and 1 is white

Perceived brightness27.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.18:1

Contrast with white17.18:1WCAG normal text: AAA

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

Greyscale equivalent#1B1B1B

Inverted#EDE3D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#171C29no red cones; affects about 1% of men; ΔE 2.2 from the original

Deuteranopia#151A28no green cones; the most common form, about 1% of men; ΔE 2.7 from the original

Tritanopia#0A1F20no blue cones; rare, and affects men and women equally; ΔE 9.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.18:1WCAG large text: AAA

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

Named colours

Black · ΔE 13.8 Dark slate grey · ΔE 24.9 Dim grey · ΔE 35.8 Slate grey · ΔE 43 Gray · ΔE 44.7 Light slate grey · ΔE 46.1

Nearest named CSS colourBlack (#000000)ΔE 13.76, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#281E12

Analogous#122728, #131228

Triadic#28121C, #1C2812

Split complementary#281312, #272812

Tetradic#281227, #281E12, #122813

Tints, shades & saturation

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

Lighter +40%#547FB2

Lighter +30%#416692

Lighter +20%#324D6E

Lighter +10%#22354B

Darker −10%#020305

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0B1B2F

Less saturated −25%#191D21

Channel breakdown

R18

G28

B40

Red18 (7.1%)

Green28 (11%)

Blue40 (15.7%)

Hue212.73°

Saturation (HSL)37.93%

Lightness11.37%

Dominant channelBlue

Hex per channelR 12 · G 1C · B 28

Keep nerding

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

#121C28

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

Nerdulate something else