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Recognised as Colour

#5997D8

  • #5997D8
  • Blue
  • Dark
  • Nearest: Steel blue

#5997D8 is a blue with RGB values 89, 151, 216 and HSL 211°, 62%, 60%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5997D8#5997D8
HEX#5997D8
RGBrgb(89, 151, 216)
RGB (0–1)0.349, 0.5922, 0.8471
RGB percentages34.9%, 59.2%, 84.7%
HSLhsl(210.7, 62%, 59.8%)
HSV / HSBhsv(210.7, 58.8%, 84.7%)
CMYK58.8%, 30.1%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,871,576
CSS custom property--colour: #5997D8;

Brightness & contrast

Relative luminance0.29215WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.84:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.84:1WCAG normal text: AA
Greyscale equivalent#8F8F8F
Inverted#A66827

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C9ADBno red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#6B8ED7no green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#00A6AEno 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 text3.07:1WCAG large text: AA
Contrast with black, large text6.84:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.5Cornflower blue · ΔE 14.3Deep skyblue · ΔE 20.8Light skyblue · ΔE 23.8Dodgerblue · ΔE 26.5Light slate grey · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D89A59
Analogous#59D6D8, #5B59D8
Triadic#D85997, #97D859
Split complementary#D85B59, #D6D859
Tetradic#D859D6, #D89A59, #59D85A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFF
Lighter +30%#D5E5F5
Lighter +20%#ACCBEB
Lighter +10%#82B1E2
Darker −10%#307DCE
Darker −20%#2764A4
Darker −30%#1D4B7B
Darker −40%#133252
More saturated +25%#3F96F2
Less saturated −25%#7398BE

Channel breakdown

R89
G151
B216
Red89 (34.9%)
Green151 (59.2%)
Blue216 (84.7%)
Hue210.71°
Saturation (HSL)61.95%
Lightness59.8%
Dominant channelBlue
Hex per channelR 59 · G 97 · B D8

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Every value on this page was computed from “5997d8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.