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Recognised as Colour

#587CBF

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

#587CBF is a blue with RGB values 88, 124, 191 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

#587CBF#587CBF
HEX#587CBF
RGBrgb(88, 124, 191)
RGB (0–1)0.3451, 0.4863, 0.749
RGB percentages34.5%, 48.6%, 74.9%
HSLhsl(219, 44.6%, 54.7%)
HSV / HSBhsv(219, 53.9%, 74.9%)
CMYK53.9%, 35.1%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,799,103
CSS custom property--colour: #587CBF;

Brightness & contrast

Relative luminance0.20252WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.05:1
Contrast with white4.16:1WCAG normal text: Fail
Contrast with black5.05:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#A78340

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6181C2no red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#5578BEno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#1F8B94no 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 text4.16:1WCAG large text: AA
Contrast with black, large text5.05:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.9Cornflower blue · ΔE 14.4Dodgerblue · ΔE 25.6Dark slateblue · ΔE 28.8Light slate grey · ΔE 29.6Slate grey · ΔE 29.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF9B58
Analogous#58B0BF, #6858BF
Triadic#BF587C, #7CBF58
Split complementary#BF6858, #B0BF58
Tetradic#BF58B0, #BF9B58, #58BF68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBF0F8
Lighter +30%#C7D3E9
Lighter +20%#A2B6DB
Lighter +10%#7D99CD
Darker −10%#3F63A5
Darker −20%#314D80
Darker −30%#23375B
Darker −40%#152036
More saturated +25%#3B73DC
Less saturated −25%#7585A2

Channel breakdown

R88
G124
B191
Red88 (34.5%)
Green124 (48.6%)
Blue191 (74.9%)
Hue219.03°
Saturation (HSL)44.59%
Lightness54.71%
Dominant channelBlue
Hex per channelR 58 · G 7C · B BF

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