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Recognised as Colour

#2B354B

  • #2B354B
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2B354B is a blue with RGB values 43, 53, 75 and HSL 221°, 27%, 23%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B354B#2B354B
HEX#2B354B
RGBrgb(43, 53, 75)
RGB (0–1)0.1686, 0.2078, 0.2941
RGB percentages16.9%, 20.8%, 29.4%
HSLhsl(221.3, 27.1%, 23.1%)
HSV / HSBhsv(221.3, 42.7%, 29.4%)
CMYK42.7%, 29.3%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,831,691
CSS custom property--colour: #2B354B;

Brightness & contrast

Relative luminance0.03568WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.26:1
Contrast with white12.26:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#D4CAB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D374Cno red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#2A344Ano green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#213A3Dno blue cones; rare, and affects men and women equally; ΔE 14.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.26:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.1Black · ΔE 26.8Dim grey · ΔE 26.8Slate grey · ΔE 31.3Light slate grey · ΔE 34.3Gray · ΔE 34.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B412B
Analogous#2B454B, #312B4B
Triadic#4B2B35, #354B2B
Split complementary#4B312B, #454B2B
Tetradic#4B2B45, #4B412B, #2B4B31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8897BA
Lighter +30%#677BA8
Lighter +20%#50638C
Lighter +10%#3E4C6B
Darker −10%#181E2B
Darker −20%#06070A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C2F5A
Less saturated −25%#3A3B3C

Channel breakdown

R43
G53
B75
Red43 (16.9%)
Green53 (20.8%)
Blue75 (29.4%)
Hue221.25°
Saturation (HSL)27.12%
Lightness23.14%
Dominant channelBlue
Hex per channelR 2B · G 35 · B 4B

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Every value on this page was computed from “2b354b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.