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Recognised as Colour

#587DBF

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

#587DBF is a blue with RGB values 88, 125, 191 and HSL 218°, 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

#587DBF#587DBF
HEX#587DBF
RGBrgb(88, 125, 191)
RGB (0–1)0.3451, 0.4902, 0.749
RGB percentages34.5%, 49%, 74.9%
HSLhsl(218.4, 44.6%, 54.7%)
HSV / HSBhsv(218.4, 53.9%, 74.9%)
CMYK53.9%, 34.6%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,799,359
CSS custom property--colour: #587DBF;

Brightness & contrast

Relative luminance0.20504WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.1:1
Contrast with white4.12:1WCAG normal text: Fail
Contrast with black5.1:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#A78240

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6382C2no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#5679BEno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#1F8B95no blue cones; rare, and affects men and women equally; ΔE 40.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.12:1WCAG large text: AA
Contrast with black, large text5.1:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.2Cornflower blue · ΔE 14.7Dodgerblue · ΔE 26.1Light slate grey · ΔE 28.9Slate grey · ΔE 29.2Dark slateblue · ΔE 29.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF9A58
Analogous#58B1BF, #6658BF
Triadic#BF587D, #7DBF58
Split complementary#BF6758, #B1BF58
Tetradic#BF58B1, #BF9A58, #58BF67

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBF0F8
Lighter +30%#C7D3E9
Lighter +20%#A2B6DB
Lighter +10%#7D9ACD
Darker −10%#3F64A5
Darker −20%#314D80
Darker −30%#23375B
Darker −40%#152136
More saturated +25%#3B75DC
Less saturated −25%#7585A2

Channel breakdown

R88
G125
B191
Red88 (34.5%)
Green125 (49%)
Blue191 (74.9%)
Hue218.45°
Saturation (HSL)44.59%
Lightness54.71%
Dominant channelBlue
Hex per channelR 58 · G 7D · B BF

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