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Recognised as Colour

#3587F8

  • #3587F8
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3587F8 is a blue with RGB values 53, 135, 248 and HSL 215°, 93%, 59%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3587F8#3587F8
HEX#3587F8
RGBrgb(53, 135, 248)
RGB (0–1)0.2078, 0.5294, 0.9725
RGB percentages20.8%, 52.9%, 97.3%
HSLhsl(214.8, 93.3%, 59%)
HSV / HSBhsv(214.8, 78.6%, 97.3%)
CMYK78.6%, 45.6%, 0%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,508,216
CSS custom property--colour: #3587F8;

Brightness & contrast

Relative luminance0.24862WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.97:1
Contrast with white3.52:1WCAG normal text: Fail
Contrast with black5.97:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#CA7807

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A92FCno red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#1580F6no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#00A2B3no blue cones; rare, and affects men and women equally; ΔE 62.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.52:1WCAG large text: AA
Contrast with black, large text5.97:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.2Royal blue · ΔE 14.9Cornflower blue · ΔE 15.9Slate blue · ΔE 25Medium purple · ΔE 26Medium slateblue · ΔE 27
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.23, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F8A635
Analogous#35E9F8, #4435F8
Triadic#F83587, #87F835
Split complementary#F84535, #E8F835
Tetradic#F835E9, #F8A635, #35F845

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFCFF
Lighter +30%#C9DFFD
Lighter +20%#98C2FB
Lighter +10%#66A4FA
Darker −10%#086AF2
Darker −20%#0755C0
Darker −30%#053F8F
Darker −40%#03295E
More saturated +25%#2E86FF
Less saturated −25%#4F8BDE

Channel breakdown

R53
G135
B248
Red53 (20.8%)
Green135 (52.9%)
Blue248 (97.3%)
Hue214.77°
Saturation (HSL)93.3%
Lightness59.02%
Dominant channelBlue
Hex per channelR 35 · G 87 · B F8

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Every value on this page was computed from “3587f8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.