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Recognised as Colour

#345B75

  • #345B75
  • Blue
  • Dark
  • Nearest: Dark slate grey

#345B75 is a blue with RGB values 52, 91, 117 and HSL 204°, 38%, 33%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#345B75#345B75
HEX#345B75
RGBrgb(52, 91, 117)
RGB (0–1)0.2039, 0.3569, 0.4588
RGB percentages20.4%, 35.7%, 45.9%
HSLhsl(204, 38.5%, 33.1%)
HSV / HSBhsv(204, 55.6%, 45.9%)
CMYK55.6%, 22.2%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,431,285
CSS custom property--colour: #345B75;

Brightness & contrast

Relative luminance0.09497WCAG 2.x, 0 is black and 1 is white
Perceived brightness85 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.24:1
Contrast with white7.24:1WCAG normal text: AAA
Contrast with black2.9:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#CBA48A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F5B76no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#465475no green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#0B6264no blue cones; rare, and affects men and women equally; ΔE 20 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.24:1WCAG large text: AAA
Contrast with black, large text2.9:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.3Slate grey · ΔE 18.3Steel blue · ΔE 20.5Light slate grey · ΔE 20.8Dim grey · ΔE 21.2Gray · ΔE 25.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#754E34
Analogous#34756E, #343B75
Triadic#75345B, #5B7534
Split complementary#75343A, #756E34
Tetradic#6F3475, #754E34, #3B7534

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0C0D5
Lighter +30%#7DA8C5
Lighter +20%#5A91B5
Lighter +10%#447698
Darker −10%#244052
Darker −20%#15242E
Darker −30%#05090B
Darker −40%#000000
More saturated +25%#1F5F8A
Less saturated −25%#495760

Channel breakdown

R52
G91
B117
Red52 (20.4%)
Green91 (35.7%)
Blue117 (45.9%)
Hue204°
Saturation (HSL)38.46%
Lightness33.14%
Dominant channelBlue
Hex per channelR 34 · G 5B · B 75

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Every value on this page was computed from “345b75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.