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Colour

#999DAB

  • #999DAB
  • Blue
  • Dark
  • Nearest: Dark grey

#999DAB is a blue with RGB values 153, 157, 171 and HSL 227°, 10%, 64%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#999DAB#999DAB
HEX#999DAB
RGBrgb(153, 157, 171)
RGB (0–1)0.6, 0.6157, 0.6706
RGB percentages60%, 61.6%, 67.1%
HSLhsl(226.7, 9.7%, 63.5%)
HSV / HSBhsv(226.7, 10.5%, 67.1%)
CMYK10.5%, 8.2%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,067,371
CSS custom property--colour: #999DAB;

Brightness & contrast

Relative luminance0.33827WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.77:1
Contrast with white2.7:1WCAG normal text: Fail
Contrast with black7.77:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#666254

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#999EACno red cones; affects about 1% of men; ΔE 0.5 from the original
Deuteranopia#989DABno green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#959FA1no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.7:1WCAG large text: Fail
Contrast with black, large text7.77:1WCAG large text: AAA

Named colours

Dark grey · ΔE 9Light slate grey · ΔE 10.2Slate grey · ΔE 12.8Gray · ΔE 13.7Silver · ΔE 15.1Light steelblue · ΔE 15.8
Nearest named CSS colourDark grey (#A9A9A9)ΔE 9.04, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ABA799
Analogous#99A6AB, #9E99AB
Triadic#AB999D, #9DAB99
Split complementary#AB9E99, #A6AB99
Tetradic#AB99A6, #ABA799, #99AB9E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDEEF0
Lighter +20%#D1D3D9
Lighter +10%#B5B8C2
Darker −10%#7D8294
Darker −20%#64697A
Darker −30%#4D515E
Darker −40%#363942
More saturated +25%#8290C2
Less saturated −25%#A2A2A2

Channel breakdown

R153
G157
B171
Red153 (60%)
Green157 (61.6%)
Blue171 (67.1%)
Hue226.67°
Saturation (HSL)9.68%
Lightness63.53%
Dominant channelBlue
Hex per channelR 99 · G 9D · B AB

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