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Recognised as Colour

#587EBF

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

#587EBF is a blue with RGB values 88, 126, 191 and HSL 218°, 45%, 55%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#587EBF#587EBF
HEX#587EBF
RGBrgb(88, 126, 191)
RGB (0–1)0.3451, 0.4941, 0.749
RGB percentages34.5%, 49.4%, 74.9%
HSLhsl(217.9, 44.6%, 54.7%)
HSV / HSBhsv(217.9, 53.9%, 74.9%)
CMYK53.9%, 34%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,799,615
CSS custom property--colour: #587EBF;

Brightness & contrast

Relative luminance0.20758WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.15:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.15:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#A78140

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6483C2no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#5879BEno green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#1F8C96no blue cones; rare, and affects men and women equally; ΔE 39.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.15:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.4Cornflower blue · ΔE 15Dodgerblue · ΔE 26.5Light slate grey · ΔE 28.3Slate grey · ΔE 28.6Dark slateblue · ΔE 30.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF9958
Analogous#58B1BF, #6658BF
Triadic#BF587E, #7EBF58
Split complementary#BF6658, #B2BF58
Tetradic#BF58B2, #BF9958, #58BF66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBF0F8
Lighter +30%#C7D3E9
Lighter +20%#A2B7DB
Lighter +10%#7D9ACD
Darker −10%#3F65A5
Darker −20%#314E80
Darker −30%#23385B
Darker −40%#152136
More saturated +25%#3B76DC
Less saturated −25%#7586A2

Channel breakdown

R88
G126
B191
Red88 (34.5%)
Green126 (49.4%)
Blue191 (74.9%)
Hue217.86°
Saturation (HSL)44.59%
Lightness54.71%
Dominant channelBlue
Hex per channelR 58 · G 7E · B BF

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