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Colour

#434C59

  • #434C59
  • Blue
  • Dark
  • Nearest: Dark slate grey

#434C59 is a blue with RGB values 67, 76, 89 and HSL 215°, 14%, 31%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#434C59#434C59
HEX#434C59
RGBrgb(67, 76, 89)
RGB (0–1)0.2627, 0.298, 0.349
RGB percentages26.3%, 29.8%, 34.9%
HSLhsl(215.5, 14.1%, 30.6%)
HSV / HSBhsv(215.5, 24.7%, 34.9%)
CMYK24.7%, 14.6%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,410,457
CSS custom property--colour: #434C59;

Brightness & contrast

Relative luminance0.07083WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.69:1
Contrast with white8.69:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#BCB3A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#484C5Ano red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#454A59no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#3D4F50no blue cones; rare, and affects men and women equally; ΔE 8.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.69:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.5Dim grey · ΔE 15.3Slate grey · ΔE 21Gray · ΔE 23.3Light slate grey · ΔE 24.1Steel blue · ΔE 31.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#595043
Analogous#435759, #454359
Triadic#59434C, #4C5943
Split complementary#594543, #575943
Tetradic#594357, #595043, #435945

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9B2BF
Lighter +30%#8C98A9
Lighter +20%#6F7E93
Lighter +10%#596576
Darker −10%#2D333C
Darker −20%#171A1F
Darker −30%#010102
Darker −40%#000000
More saturated +25%#30486D
Less saturated −25%#4E4E4E

Channel breakdown

R67
G76
B89
Red67 (26.3%)
Green76 (29.8%)
Blue89 (34.9%)
Hue215.45°
Saturation (HSL)14.1%
Lightness30.59%
Dominant channelBlue
Hex per channelR 43 · G 4C · B 59

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Every value on this page was computed from “434c59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.