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Recognised as Colour

#999DCF

  • #999DCF
  • Blue
  • Dark
  • Nearest: Light steelblue

#999DCF is a blue with RGB values 153, 157, 207 and HSL 236°, 36%, 71%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#999DCF#999DCF
HEX#999DCF
RGBrgb(153, 157, 207)
RGB (0–1)0.6, 0.6157, 0.8118
RGB percentages60%, 61.6%, 81.2%
HSLhsl(235.6, 36%, 70.6%)
HSV / HSBhsv(235.6, 26.1%, 81.2%)
CMYK26.1%, 24.2%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,067,407
CSS custom property--colour: #999DCF;

Brightness & contrast

Relative luminance0.35391WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.08:1
Contrast with white2.6:1WCAG normal text: Fail
Contrast with black8.08:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#666230

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8FA2D1no red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#8D9FCEno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#8CA6AEno blue cones; rare, and affects men and women equally; ΔE 25.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.6:1WCAG large text: Fail
Contrast with black, large text8.08:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 19.7Steel blue · ΔE 20.3Light slate grey · ΔE 21.6Thistle · ΔE 22.2Slate grey · ΔE 23.5Cornflower blue · ΔE 23.7
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 19.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFCB99
Analogous#99B8CF, #B099CF
Triadic#CF999D, #9DCF99
Split complementary#CFB099, #B8CF99
Tetradic#CF99B8, #CFCB99, #99CFB0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#DEE0F0
Lighter +10%#BCBEDF
Darker −10%#767CBF
Darker −20%#545AAE
Darker −30%#42488D
Darker −40%#32366A
More saturated +25%#868DE2
Less saturated −25%#ACADBC

Channel breakdown

R153
G157
B207
Red153 (60%)
Green157 (61.6%)
Blue207 (81.2%)
Hue235.56°
Saturation (HSL)36%
Lightness70.59%
Dominant channelBlue
Hex per channelR 99 · G 9D · B CF

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