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Colour

#587BBE

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

#587BBE is a blue with RGB values 88, 123, 190 and HSL 219°, 44%, 55%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#587BBE#587BBE
HEX#587BBE
RGBrgb(88, 123, 190)
RGB (0–1)0.3451, 0.4824, 0.7451
RGB percentages34.5%, 48.2%, 74.5%
HSLhsl(219.4, 44%, 54.5%)
HSV / HSBhsv(219.4, 53.7%, 74.5%)
CMYK53.7%, 35.3%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,798,846
CSS custom property--colour: #587BBE;

Brightness & contrast

Relative luminance0.19958WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.99:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.99:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#A78441

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6081C1no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#5477BDno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#218A93no blue cones; rare, and affects men and women equally; ΔE 41.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.99:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.1Cornflower blue · ΔE 14.7Dodgerblue · ΔE 25.8Dark slateblue · ΔE 28.4Light slate grey · ΔE 29.7Slate grey · ΔE 29.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE9B58
Analogous#58AEBE, #6858BE
Triadic#BE587B, #7BBE58
Split complementary#BE6858, #AEBE58
Tetradic#BE58AE, #BE9B58, #58BE68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBEFF7
Lighter +30%#C6D2E9
Lighter +20%#A1B5DB
Lighter +10%#7D98CC
Darker −10%#4062A3
Darker −20%#314C7F
Darker −30%#23365A
Darker −40%#152035
More saturated +25%#3B72DB
Less saturated −25%#7584A1

Channel breakdown

R88
G123
B190
Red88 (34.5%)
Green123 (48.2%)
Blue190 (74.5%)
Hue219.41°
Saturation (HSL)43.97%
Lightness54.51%
Dominant channelBlue
Hex per channelR 58 · G 7B · B BE

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