Colour

#223A4A

#223A4A
Blue
Dark
Nearest: Dark slate grey

#223A4A is a blue with RGB values 34, 58, 74 and HSL 204°, 37%, 21%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#223A4A#223A4A

HEX#223A4A

RGBrgb(34, 58, 74)

RGB (0–1)0.1333, 0.2275, 0.2902

RGB percentages13.3%, 22.7%, 29%

HSLhsl(204, 37%, 21.2%)

HSV / HSBhsv(204, 54.1%, 29%)

CMYK54.1%, 21.6%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,243,146

CSS custom property--colour: #223A4A;

Brightness & contrast

Relative luminance0.03861WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.85:1

Contrast with white11.85:1WCAG normal text: AAA

Contrast with black1.77:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#DDC5B5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#333A4Bno red cones; affects about 1% of men; ΔE 6.1 from the original

Deuteranopia#2D354Ano green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#0F3E3Fno blue cones; rare, and affects men and women equally; ΔE 13.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.85:1WCAG large text: AAA

Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.3 Dim grey · ΔE 25.1 Black · ΔE 26.8 Slate grey · ΔE 29.8 Light slate grey · ΔE 32.8 Gray · ΔE 33.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.26, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4A3222

Analogous#224A46, #22264A

Triadic#4A223A, #3A4A22

Split complementary#4A2226, #4A4622

Tetradic#46224A, #4A3222, #264A22

Tints, shades & saturation

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

Lighter +40%#77A3C1

Lighter +30%#548CB1

Lighter +20%#427190

Lighter +10%#32556D

Darker −10%#121F27

Darker −20%#020304

Darker −30%#000000

Darker −40%#000000

More saturated +25%#153D58

Less saturated −25%#30373D

Channel breakdown

R34

G58

B74

Red34 (13.3%)

Green58 (22.7%)

Blue74 (29%)

Hue204°

Saturation (HSL)37.04%

Lightness21.18%

Dominant channelBlue

Hex per channelR 22 · G 3A · B 4A

Keep nerding

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

#223A4A

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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