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Recognised as Colour

#89A9BB

  • #89A9BB
  • Blue
  • Dark
  • Nearest: Light steelblue

#89A9BB is a blue with RGB values 137, 169, 187 and HSL 202°, 27%, 64%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#89A9BB#89A9BB
HEX#89A9BB
RGBrgb(137, 169, 187)
RGB (0–1)0.5373, 0.6627, 0.7333
RGB percentages53.7%, 66.3%, 73.3%
HSLhsl(201.6, 26.9%, 63.5%)
HSV / HSBhsv(201.6, 26.7%, 73.3%)
CMYK26.7%, 9.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,021,883
CSS custom property--colour: #89A9BB;

Brightness & contrast

Relative luminance0.37282WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.46:1
Contrast with white2.48:1WCAG normal text: Fail
Contrast with black8.46:1WCAG normal text: AAA
Greyscale equivalent#A3A3A3
Inverted#765644

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A0A8BCno red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#99A2BBno green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#7AAEAFno blue cones; rare, and affects men and women equally; ΔE 12.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.48:1WCAG large text: Fail
Contrast with black, large text8.46:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 12.5Light slate grey · ΔE 12.5Dark grey · ΔE 14.6Cadetblue · ΔE 15.4Slate grey · ΔE 15.5Sky blue · ΔE 16.5
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 12.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB9B89
Analogous#89BBB4, #8990BB
Triadic#BB89A9, #A9BB89
Split complementary#BB8990, #BBB489
Tetradic#B489BB, #BB9B89, #90BB89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAF0F3
Lighter +20%#CAD8E0
Lighter +10%#A9C1CE
Darker −10%#6991A8
Darker −20%#51778D
Darker −30%#3F5C6C
Darker −40%#2C414C
More saturated +25%#72B0D2
Less saturated −25%#A0A2A4

Channel breakdown

R137
G169
B187
Red137 (53.7%)
Green169 (66.3%)
Blue187 (73.3%)
Hue201.6°
Saturation (HSL)26.88%
Lightness63.53%
Dominant channelBlue
Hex per channelR 89 · G A9 · B BB

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Every value on this page was computed from “89a9bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.