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Recognised as Colour

#435A71

  • #435A71
  • Blue
  • Dark
  • Nearest: Slate grey

#435A71 is a blue with RGB values 67, 90, 113 and HSL 210°, 26%, 35%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#435A71#435A71
HEX#435A71
RGBrgb(67, 90, 113)
RGB (0–1)0.2627, 0.3529, 0.4431
RGB percentages26.3%, 35.3%, 44.3%
HSLhsl(210, 25.6%, 35.3%)
HSV / HSBhsv(210, 40.7%, 44.3%)
CMYK40.7%, 20.4%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,414,065
CSS custom property--colour: #435A71;

Brightness & contrast

Relative luminance0.09698WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.14:1
Contrast with white7.14:1WCAG normal text: AAA
Contrast with black2.94:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BCA58E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#515A72no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#4B5671no green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#335F62no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.14:1WCAG large text: AAA
Contrast with black, large text2.94:1WCAG large text: Fail

Named colours

Slate grey · ΔE 16.4Dark slate grey · ΔE 16.5Dim grey · ΔE 17.5Light slate grey · ΔE 19.2Steel blue · ΔE 22.4Gray · ΔE 22.8
Nearest named CSS colourSlate grey (#708090)ΔE 16.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#715A43
Analogous#437171, #434371
Triadic#71435A, #5A7143
Split complementary#714343, #717143
Tetradic#714371, #715A43, #437143

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0C0D0
Lighter +30%#90A6BD
Lighter +20%#708DAA
Lighter +10%#567391
Darker −10%#304051
Darker −20%#1D2731
Darker −30%#0A0D11
Darker −40%#000000
More saturated +25%#2D5A87
Less saturated −25%#5A5A5A

Channel breakdown

R67
G90
B113
Red67 (26.3%)
Green90 (35.3%)
Blue113 (44.3%)
Hue210°
Saturation (HSL)25.56%
Lightness35.29%
Dominant channelBlue
Hex per channelR 43 · G 5A · B 71

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Every value on this page was computed from “435a71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.