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Recognised as Colour

#5987B8

  • #5987B8
  • Blue
  • Dark
  • Nearest: Steel blue

#5987B8 is a blue with RGB values 89, 135, 184 and HSL 211°, 40%, 54%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5987B8#5987B8
HEX#5987B8
RGBrgb(89, 135, 184)
RGB (0–1)0.349, 0.5294, 0.7216
RGB percentages34.9%, 52.9%, 72.2%
HSLhsl(210.9, 40.1%, 53.5%)
HSV / HSBhsv(210.9, 51.6%, 72.2%)
CMYK51.6%, 26.6%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,867,448
CSS custom property--colour: #5987B8;

Brightness & contrast

Relative luminance0.22912WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.58:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.58:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#A67847

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7389BAno red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#677FB7no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#289298no blue cones; rare, and affects men and women equally; ΔE 31.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.58:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.9Light slate grey · ΔE 19.4Slate grey · ΔE 20Cornflower blue · ΔE 22.8Light skyblue · ΔE 26.5Deep skyblue · ΔE 26.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.9, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B88A59
Analogous#59B7B8, #5A59B8
Triadic#B85987, #87B859
Split complementary#B85A59, #B7B859
Tetradic#B859B7, #B88A59, #59B85A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8EEF5
Lighter +30%#C4D4E6
Lighter +20%#A0BBD7
Lighter +10%#7DA1C7
Darker −10%#436E9B
Darker −20%#335478
Darker −30%#243B54
Darker −40%#152230
More saturated +25%#3B86D6
Less saturated −25%#77889A

Channel breakdown

R89
G135
B184
Red89 (34.9%)
Green135 (52.9%)
Blue184 (72.2%)
Hue210.95°
Saturation (HSL)40.08%
Lightness53.53%
Dominant channelBlue
Hex per channelR 59 · G 87 · B B8

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Every value on this page was computed from “5987b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.