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Recognised as Colour

#558ABE

  • #558ABE
  • Blue
  • Dark
  • Nearest: Steel blue

#558ABE is a blue with RGB values 85, 138, 190 and HSL 210°, 45%, 54%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#558ABE#558ABE
HEX#558ABE
RGBrgb(85, 138, 190)
RGB (0–1)0.3333, 0.5412, 0.7451
RGB percentages33.3%, 54.1%, 74.5%
HSLhsl(209.7, 44.7%, 53.9%)
HSV / HSBhsv(209.7, 55.3%, 74.5%)
CMYK55.3%, 27.4%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,606,078
CSS custom property--colour: #558ABE;

Brightness & contrast

Relative luminance0.23826WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.77:1
Contrast with white3.64:1WCAG normal text: Fail
Contrast with black5.77:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#AA7541

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#748CC0no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#6781BDno green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#08969Cno blue cones; rare, and affects men and women equally; ΔE 34.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.64:1WCAG large text: AA
Contrast with black, large text5.77:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.9Cornflower blue · ΔE 21.4Light slate grey · ΔE 21.4Slate grey · ΔE 22.1Deep skyblue · ΔE 24.7Light skyblue · ΔE 25.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.85, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE8955
Analogous#55BEBE, #5555BE
Triadic#BE558A, #8ABE55
Split complementary#BE5555, #BEBE55
Tetradic#BE55BE, #BE8955, #55BE55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F0F6
Lighter +30%#C4D6E8
Lighter +20%#9FBDDA
Lighter +10%#7AA3CC
Darker −10%#3E70A2
Darker −20%#30577D
Darker −30%#223D58
Darker −40%#142433
More saturated +25%#388ADB
Less saturated −25%#728AA1

Channel breakdown

R85
G138
B190
Red85 (33.3%)
Green138 (54.1%)
Blue190 (74.5%)
Hue209.71°
Saturation (HSL)44.68%
Lightness53.92%
Dominant channelBlue
Hex per channelR 55 · G 8A · B BE

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Every value on this page was computed from “558abe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.