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Recognised as Colour

#558AE2

  • #558AE2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#558AE2 is a blue with RGB values 85, 138, 226 and HSL 217°, 71%, 61%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#558AE2#558AE2
HEX#558AE2
RGBrgb(85, 138, 226)
RGB (0–1)0.3333, 0.5412, 0.8863
RGB percentages33.3%, 54.1%, 88.6%
HSLhsl(217.4, 70.9%, 61%)
HSV / HSBhsv(217.4, 62.4%, 88.6%)
CMYK62.4%, 38.9%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,606,114
CSS custom property--colour: #558AE2;

Brightness & contrast

Relative luminance0.25599WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.12:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.12:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#AA751D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6392E6no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#4F84E0no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#009EABno blue cones; rare, and affects men and women equally; ΔE 51.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.12:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 4.3Dodgerblue · ΔE 13.5Steel blue · ΔE 22.9Royal blue · ΔE 24.8Medium purple · ΔE 27.5Slate blue · ΔE 30.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 4.33, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E2AD55
Analogous#55D0E2, #6755E2
Triadic#E2558A, #8AE255
Split complementary#E26755, #D0E255
Tetradic#E255D0, #E2AD55, #55E267

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8E4F8
Lighter +20%#ACC6F1
Lighter +10%#81A8E9
Darker −10%#296CDB
Darker −20%#1E56B3
Darker −30%#174187
Darker −40%#102C5B
More saturated +25%#3C84FB
Less saturated −25%#6E90C9

Channel breakdown

R85
G138
B226
Red85 (33.3%)
Green138 (54.1%)
Blue226 (88.6%)
Hue217.45°
Saturation (HSL)70.85%
Lightness60.98%
Dominant channelBlue
Hex per channelR 55 · G 8A · B E2

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Every value on this page was computed from “558ae2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.