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Recognised as Colour

#587CC0

  • #587CC0
  • Blue
  • Dark
  • Nearest: Steel blue

#587CC0 is a blue with RGB values 88, 124, 192 and HSL 219°, 45%, 55%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#587CC0#587CC0
HEX#587CC0
RGBrgb(88, 124, 192)
RGB (0–1)0.3451, 0.4863, 0.7529
RGB percentages34.5%, 48.6%, 75.3%
HSLhsl(219.2, 45.2%, 54.9%)
HSV / HSBhsv(219.2, 54.2%, 75.3%)
CMYK54.2%, 35.4%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,799,104
CSS custom property--colour: #587CC0;

Brightness & contrast

Relative luminance0.20296WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.06:1
Contrast with white4.15:1WCAG normal text: Fail
Contrast with black5.06:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#A7833F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6182C3no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#5478BFno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#1E8B95no blue cones; rare, and affects men and women equally; ΔE 41.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.15:1WCAG large text: AA
Contrast with black, large text5.06:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.4Cornflower blue · ΔE 14Dodgerblue · ΔE 25.1Dark slateblue · ΔE 28.6Light slate grey · ΔE 30.1Slate grey · ΔE 30.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C09C58
Analogous#58B0C0, #6858C0
Triadic#C0587C, #7CC058
Split complementary#C06858, #B0C058
Tetradic#C058B0, #C09C58, #58C068

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF0F8
Lighter +30%#C7D3EA
Lighter +20%#A2B6DC
Lighter +10%#7D99CE
Darker −10%#3F63A6
Darker −20%#314D81
Darker −30%#23375C
Darker −40%#152137
More saturated +25%#3B73DD
Less saturated −25%#7585A3

Channel breakdown

R88
G124
B192
Red88 (34.5%)
Green124 (48.6%)
Blue192 (75.3%)
Hue219.23°
Saturation (HSL)45.22%
Lightness54.9%
Dominant channelBlue
Hex per channelR 58 · G 7C · B C0

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Every value on this page was computed from “587cc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.