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Colour

#89BFDD

  • #89BFDD
  • Blue
  • Dark
  • Nearest: Sky blue

#89BFDD is a blue with RGB values 137, 191, 221 and HSL 201°, 55%, 70%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#89BFDD#89BFDD
HEX#89BFDD
RGBrgb(137, 191, 221)
RGB (0–1)0.5373, 0.749, 0.8667
RGB percentages53.7%, 74.9%, 86.7%
HSLhsl(201.4, 55.3%, 70.2%)
HSV / HSBhsv(201.4, 38%, 86.7%)
CMYK38%, 13.6%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,027,549
CSS custom property--colour: #89BFDD;

Brightness & contrast

Relative luminance0.478WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.56:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.56:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#764022

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1BDDFno red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#A5B4DDno green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#6AC7C9no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.56:1WCAG large text: AAA

Named colours

Sky blue · ΔE 6.6Light skyblue · ΔE 9.4Light steelblue · ΔE 11Light blue · ΔE 12.9Powder blue · ΔE 17.4Cadetblue · ΔE 21.2
Nearest named CSS colourSky blue (#87CEEB)ΔE 6.57, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDA789
Analogous#89DDD1, #8995DD
Triadic#DD89BF, #BFDD89
Split complementary#DD8995, #DDD189
Tetradic#D189DD, #DDA789, #95DD89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D8EAF4
Lighter +10%#B1D4E8
Darker −10%#61AAD2
Darker −20%#3A94C6
Darker −30%#2E779F
Darker −40%#225978
More saturated +25%#76C4F0
Less saturated −25%#9CBACA

Channel breakdown

R137
G191
B221
Red137 (53.7%)
Green191 (74.9%)
Blue221 (86.7%)
Hue201.43°
Saturation (HSL)55.26%
Lightness70.2%
Dominant channelBlue
Hex per channelR 89 · G BF · B DD

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