Colour

#12223C

#12223C
Blue
Dark
Nearest: Black

#12223C is a blue with RGB values 18, 34, 60 and HSL 217°, 54%, 15%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#12223C#12223C

HEX#12223C

RGBrgb(18, 34, 60)

RGB (0–1)0.0706, 0.1333, 0.2353

RGB percentages7.1%, 13.3%, 23.5%

HSLhsl(217.1, 53.8%, 15.3%)

HSV / HSBhsv(217.1, 70%, 23.5%)

CMYK70%, 43.3%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,188,412

CSS custom property--colour: #12223C;

Brightness & contrast

Relative luminance0.01599WCAG 2.x, 0 is black and 1 is white

Perceived brightness34.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.91:1

Contrast with white15.91:1WCAG normal text: AAA

Contrast with black1.32:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#EDDDC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#17243Dno red cones; affects about 1% of men; ΔE 1.5 from the original

Deuteranopia#11203Bno green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#00282Cno blue cones; rare, and affects men and women equally; ΔE 19.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.91:1WCAG large text: AAA

Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 23.2 Dark slate grey · ΔE 27.8 Dim grey · ΔE 36.5 Dark slateblue · ΔE 37.1 Slate grey · ΔE 40.8 Midnight blue · ΔE 42.1

Nearest named CSS colourBlack (#000000)ΔE 23.16, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C2C12

Analogous#12373C, #17123C

Triadic#3C1222, #223C12

Split complementary#3C1712, #373C12

Tetradic#3C1237, #3C2C12, #123C17

Tints, shades & saturation

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

Lighter +40%#507ECA

Lighter +30%#3565B2

Lighter +20%#2A4E8A

Lighter +10%#1E3863

Darker −10%#060C15

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#082046

Less saturated −25%#1C2432

Channel breakdown

R18

G34

B60

Red18 (7.1%)

Green34 (13.3%)

Blue60 (23.5%)

Hue217.14°

Saturation (HSL)53.85%

Lightness15.29%

Dominant channelBlue

Hex per channelR 12 · G 22 · B 3C

Keep nerding

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

#12223C

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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