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Recognised as Colour

#909DDB

  • #909DDB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#909DDB is a blue with RGB values 144, 157, 219 and HSL 230°, 51%, 71%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#909DDB#909DDB
HEX#909DDB
RGBrgb(144, 157, 219)
RGB (0–1)0.5647, 0.6157, 0.8588
RGB percentages56.5%, 61.6%, 85.9%
HSLhsl(229.6, 51%, 71.2%)
HSV / HSBhsv(229.6, 34.2%, 85.9%)
CMYK34.2%, 28.3%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,477,595
CSS custom property--colour: #909DDB;

Brightness & contrast

Relative luminance0.35158WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.03:1
Contrast with white2.61:1WCAG normal text: Fail
Contrast with black8.03:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#6F6224

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8AA3DEno red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#849DDAno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#7BA9B3no blue cones; rare, and affects men and women equally; ΔE 32.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.61:1WCAG large text: Fail
Contrast with black, large text8.03:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 16.8Steel blue · ΔE 19.5Light steelblue · ΔE 24.5Light skyblue · ΔE 25.4Plum · ΔE 26.2Light slate grey · ΔE 27
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBCE90
Analogous#90C2DB, #A990DB
Triadic#DB909D, #9DDB90
Split complementary#DBA990, #C2DB90
Tetradic#DB90C2, #DBCE90, #90DBA9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#DDE1F4
Lighter +10%#B7BFE7
Darker −10%#697BCF
Darker −20%#4359C2
Darker −30%#33469F
Darker −40%#273578
More saturated +25%#7E91ED
Less saturated −25%#A2A9C9

Channel breakdown

R144
G157
B219
Red144 (56.5%)
Green157 (61.6%)
Blue219 (85.9%)
Hue229.6°
Saturation (HSL)51.02%
Lightness71.18%
Dominant channelBlue
Hex per channelR 90 · G 9D · B DB

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