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Recognised as Colour

#588DEA

  • #588DEA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#588DEA is a blue with RGB values 88, 141, 234 and HSL 218°, 78%, 63%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#588DEA#588DEA
HEX#588DEA
RGBrgb(88, 141, 234)
RGB (0–1)0.3451, 0.5529, 0.9176
RGB percentages34.5%, 55.3%, 91.8%
HSLhsl(218.2, 77.7%, 63.1%)
HSV / HSBhsv(218.2, 62.4%, 91.8%)
CMYK62.4%, 39.7%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,803,498
CSS custom property--colour: #588DEA;

Brightness & contrast

Relative luminance0.27065WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.41:1
Contrast with white3.27:1WCAG normal text: Fail
Contrast with black6.41:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#A77215

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6495EEno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#4F88E8no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#00A2B0no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.27:1WCAG large text: AA
Contrast with black, large text6.41:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 4.4Dodgerblue · ΔE 11.2Royal blue · ΔE 23.1Steel blue · ΔE 25.9Medium purple · ΔE 26.4Slate blue · ΔE 29.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 4.41, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAB558
Analogous#58D6EA, #6C58EA
Triadic#EA588D, #8DEA58
Split complementary#EA6C58, #D6EA58
Tetradic#EA58D6, #EAB558, #58EA6C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0EAFB
Lighter +20%#B3CBF5
Lighter +10%#85ACF0
Darker −10%#2B6EE4
Darker −20%#1957C3
Darker −30%#134396
Darker −40%#0D2E69
More saturated +25%#4387FF
Less saturated −25%#7093D3

Channel breakdown

R88
G141
B234
Red88 (34.5%)
Green141 (55.3%)
Blue234 (91.8%)
Hue218.22°
Saturation (HSL)77.66%
Lightness63.14%
Dominant channelBlue
Hex per channelR 58 · G 8D · B EA

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Every value on this page was computed from “588dea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.