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Colour

#999FB1

  • #999FB1
  • Blue
  • Dark
  • Nearest: Light slate grey

#999FB1 is a blue with RGB values 153, 159, 177 and HSL 225°, 13%, 65%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#999FB1#999FB1
HEX#999FB1
RGBrgb(153, 159, 177)
RGB (0–1)0.6, 0.6235, 0.6941
RGB percentages60%, 62.4%, 69.4%
HSLhsl(225, 13.3%, 64.7%)
HSV / HSBhsv(225, 13.6%, 69.4%)
CMYK13.6%, 10.2%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,067,889
CSS custom property--colour: #999FB1;

Brightness & contrast

Relative luminance0.34743WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.95:1
Contrast with white2.64:1WCAG normal text: Fail
Contrast with black7.95:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#66604E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9AA0B2no red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#989EB1no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#94A2A5no blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.64:1WCAG large text: Fail
Contrast with black, large text7.95:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 10.4Dark grey · ΔE 10.8Slate grey · ΔE 13.3Light steelblue · ΔE 14.2Gray · ΔE 15.7Silver · ΔE 15.8
Nearest named CSS colourLight slate grey (#778899)ΔE 10.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B1AB99
Analogous#99ABB1, #9F99B1
Triadic#B1999F, #9FB199
Split complementary#B19F99, #ABB199
Tetradic#B199AB, #B1AB99, #99B19F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0F1F3
Lighter +20%#D3D5DD
Lighter +10%#B6BAC7
Darker −10%#7C849B
Darker −20%#636A81
Darker −30%#4D5364
Darker −40%#373B47
More saturated +25%#8394C8
Less saturated −25%#A5A5A5

Channel breakdown

R153
G159
B177
Red153 (60%)
Green159 (62.4%)
Blue177 (69.4%)
Hue225°
Saturation (HSL)13.33%
Lightness64.71%
Dominant channelBlue
Hex per channelR 99 · G 9F · B B1

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Every value on this page was computed from “999fb1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.