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Recognised as Colour

#4580AE

  • #4580AE
  • Blue
  • Dark
  • Nearest: Steel blue

#4580AE is a blue with RGB values 69, 128, 174 and HSL 206°, 43%, 48%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4580AE#4580AE
HEX#4580AE
RGBrgb(69, 128, 174)
RGB (0–1)0.2706, 0.502, 0.6824
RGB percentages27.1%, 50.2%, 68.2%
HSLhsl(206.3, 43.2%, 47.6%)
HSV / HSBhsv(206.3, 60.3%, 68.2%)
CMYK60.3%, 26.4%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,554,926
CSS custom property--colour: #4580AE;

Brightness & contrast

Relative luminance0.1976WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.95:1
Contrast with white4.24:1WCAG normal text: Fail
Contrast with black4.95:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#BA7F51

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6C81B0no red cones; affects about 1% of men; ΔE 10.3 from the original
Deuteranopia#5E76ADno green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#008B90no blue cones; rare, and affects men and women equally; ΔE 30.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.24:1WCAG large text: AA
Contrast with black, large text4.95:1WCAG large text: AAA

Named colours

Steel blue · ΔE 2.5Light slate grey · ΔE 19.7Slate grey · ΔE 19.8Cornflower blue · ΔE 26.1Deep skyblue · ΔE 27.4Cadetblue · ΔE 28.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 2.46, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE7345
Analogous#45AEA8, #454BAE
Triadic#AE4580, #80AE45
Split complementary#AE454B, #AEA845
Tetradic#A845AE, #AE7345, #4BAE45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2E1ED
Lighter +30%#ADC9DF
Lighter +20%#89B1D0
Lighter +10%#6499C2
Darker −10%#376589
Darker −20%#284A65
Darker −30%#1A2F40
Darker −40%#0B151C
More saturated +25%#2784CC
Less saturated −25%#637C90

Channel breakdown

R69
G128
B174
Red69 (27.1%)
Green128 (50.2%)
Blue174 (68.2%)
Hue206.29°
Saturation (HSL)43.21%
Lightness47.65%
Dominant channelBlue
Hex per channelR 45 · G 80 · B AE

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Every value on this page was computed from “4580ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.