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Colour

#909AB7

  • #909AB7
  • Blue
  • Dark
  • Nearest: Light slate grey

#909AB7 is a blue with RGB values 144, 154, 183 and HSL 225°, 21%, 64%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#909AB7#909AB7
HEX#909AB7
RGBrgb(144, 154, 183)
RGB (0–1)0.5647, 0.6039, 0.7176
RGB percentages56.5%, 60.4%, 71.8%
HSLhsl(224.6, 21.3%, 64.1%)
HSV / HSBhsv(224.6, 21.3%, 71.8%)
CMYK21.3%, 15.8%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,476,791
CSS custom property--colour: #909AB7;

Brightness & contrast

Relative luminance0.32459WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.49:1
Contrast with white2.8:1WCAG normal text: Fail
Contrast with black7.49:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#6F6548

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#929CB8no red cones; affects about 1% of men; ΔE 0.9 from the original
Deuteranopia#8F99B6no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#879FA3no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.8:1WCAG large text: Fail
Contrast with black, large text7.49:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 10.6Slate grey · ΔE 13.2Light steelblue · ΔE 15.3Dark grey · ΔE 17.4Gray · ΔE 19.3Thistle · ΔE 20.6
Nearest named CSS colourLight slate grey (#778899)ΔE 10.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B7AD90
Analogous#90ADB7, #9A90B7
Triadic#B7909A, #9AB790
Split complementary#B79A90, #ADB790
Tetradic#B790AE, #B7AD90, #90B79A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDEEF3
Lighter +20%#CED2DF
Lighter +10%#AFB6CB
Darker −10%#717EA3
Darker −20%#596588
Darker −30%#444E6A
Darker −40%#30374B
More saturated +25%#798FCE
Less saturated −25%#A3A3A3

Channel breakdown

R144
G154
B183
Red144 (56.5%)
Green154 (60.4%)
Blue183 (71.8%)
Hue224.62°
Saturation (HSL)21.31%
Lightness64.12%
Dominant channelBlue
Hex per channelR 90 · G 9A · B B7

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Every value on this page was computed from “909ab7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.