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Recognised as Colour

#5B87DA

  • #5B87DA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5B87DA is a blue with RGB values 91, 135, 218 and HSL 219°, 63%, 61%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5B87DA#5B87DA
HEX#5B87DA
RGBrgb(91, 135, 218)
RGB (0–1)0.3569, 0.5294, 0.8549
RGB percentages35.7%, 52.9%, 85.5%
HSLhsl(219.2, 63.2%, 60.6%)
HSV / HSBhsv(219.2, 58.3%, 85.5%)
CMYK58.3%, 38.1%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,998,554
CSS custom property--colour: #5B87DA;

Brightness & contrast

Relative luminance0.24614WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.92:1
Contrast with white3.55:1WCAG normal text: Fail
Contrast with black5.92:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#A47825

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#648EDDno red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#5383D8no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#0099A6no blue cones; rare, and affects men and women equally; ΔE 49.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.55:1WCAG large text: AA
Contrast with black, large text5.92:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.7Dodgerblue · ΔE 16.6Steel blue · ΔE 20.7Royal blue · ΔE 26.2Medium purple · ΔE 27.3Slate blue · ΔE 30.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.71, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAAE5B
Analogous#5BC7DA, #6E5BDA
Triadic#DA5B87, #87DA5B
Split complementary#DA6E5B, #C7DA5B
Tetradic#DA5BC7, #DAAE5B, #5BDA6E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8E2F6
Lighter +20%#AEC4ED
Lighter +10%#85A5E3
Darker −10%#3169D1
Darker −20%#2653A9
Darker −30%#1D3F7F
Darker −40%#132A56
More saturated +25%#427FF3
Less saturated −25%#748FC1

Channel breakdown

R91
G135
B218
Red91 (35.7%)
Green135 (52.9%)
Blue218 (85.5%)
Hue219.21°
Saturation (HSL)63.18%
Lightness60.59%
Dominant channelBlue
Hex per channelR 5B · G 87 · B DA

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Every value on this page was computed from “5b87da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.