Colour

#34405A

#34405A
Blue
Dark
Nearest: Dark slate grey

#34405A is a blue with RGB values 52, 64, 90 and HSL 221°, 27%, 28%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#34405A#34405A

HEX#34405A

RGBrgb(52, 64, 90)

RGB (0–1)0.2039, 0.251, 0.3529

RGB percentages20.4%, 25.1%, 35.3%

HSLhsl(221.1, 26.8%, 27.8%)

HSV / HSBhsv(221.1, 42.2%, 35.3%)

CMYK42.2%, 28.9%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,424,346

CSS custom property--colour: #34405A;

Brightness & contrast

Relative luminance0.05135WCAG 2.x, 0 is black and 1 is white

Perceived brightness64.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.36:1

Contrast with white10.36:1WCAG normal text: AAA

Contrast with black2.03:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#CBBFA5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#37425Bno red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#333F59no green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#284549no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.36:1WCAG large text: AAA

Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.1 Dim grey · ΔE 24.4 Slate grey · ΔE 27 Light slate grey · ΔE 29.8 Steel blue · ΔE 30.3 Gray · ΔE 31.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.06, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5A4E34

Analogous#34535A, #3B345A

Triadic#5A3440, #405A34

Split complementary#5A3B34, #535A34

Tetradic#5A3453, #5A4E34, #345A3B

Tints, shades & saturation

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

Lighter +40%#97A5C3

Lighter +30%#7789B0

Lighter +20%#596E9B

Lighter +10%#47577A

Darker −10%#21293A

Darker −20%#0F1219

Darker −30%#000000

Darker −40%#000000

More saturated +25%#22396C

Less saturated −25%#464748

Channel breakdown

R52

G64

B90

Red52 (20.4%)

Green64 (25.1%)

Blue90 (35.3%)

Hue221.05°

Saturation (HSL)26.76%

Lightness27.84%

Dominant channelBlue

Hex per channelR 34 · G 40 · B 5A

Keep nerding

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#34405A

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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