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Recognised as Colour

#89B2DA

  • #89B2DA
  • Blue
  • Dark
  • Nearest: Light skyblue

#89B2DA is a blue with RGB values 137, 178, 218 and HSL 210°, 52%, 70%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#89B2DA#89B2DA
HEX#89B2DA
RGBrgb(137, 178, 218)
RGB (0–1)0.5373, 0.698, 0.8549
RGB percentages53.7%, 69.8%, 85.5%
HSLhsl(209.6, 52.3%, 69.6%)
HSV / HSBhsv(209.6, 37.2%, 85.5%)
CMYK37.2%, 18.3%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,024,218
CSS custom property--colour: #89B2DA;

Brightness & contrast

Relative luminance0.42221WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.44:1
Contrast with white2.22:1WCAG normal text: Fail
Contrast with black9.44:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#764D25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A2B3DCno red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#98AAD9no green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#6EBBBFno blue cones; rare, and affects men and women equally; ΔE 24.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.22:1WCAG large text: Fail
Contrast with black, large text9.44:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 11.8Light steelblue · ΔE 12.2Sky blue · ΔE 14Light blue · ΔE 19.6Steel blue · ΔE 20.1Light slate grey · ΔE 20.3
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 11.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAB189
Analogous#89DAD9, #898ADA
Triadic#DA89B2, #B2DA89
Split complementary#DA898A, #DAD989
Tetradic#D989DA, #DAB189, #8ADA89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFEFF
Lighter +20%#D7E5F2
Lighter +10%#B0CBE6
Darker −10%#6299CE
Darker −20%#3C7FC1
Darker −30%#30669A
Darker −40%#244C73
More saturated +25%#76B2ED
Less saturated −25%#9CB2C7

Channel breakdown

R137
G178
B218
Red137 (53.7%)
Green178 (69.8%)
Blue218 (85.5%)
Hue209.63°
Saturation (HSL)52.26%
Lightness69.61%
Dominant channelBlue
Hex per channelR 89 · G B2 · B DA

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Every value on this page was computed from “89b2da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.