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Recognised as Colour

#8191CB

  • #8191CB
  • Blue
  • Dark
  • Nearest: Steel blue

#8191CB is a blue with RGB values 129, 145, 203 and HSL 227°, 42%, 65%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#8191CB#8191CB
HEX#8191CB
RGBrgb(129, 145, 203)
RGB (0–1)0.5059, 0.5686, 0.7961
RGB percentages50.6%, 56.9%, 79.6%
HSLhsl(227, 41.6%, 65.1%)
HSV / HSBhsv(227, 36.5%, 79.6%)
CMYK36.5%, 28.6%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,491,467
CSS custom property--colour: #8191CB;

Brightness & contrast

Relative luminance0.2923WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.85:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.85:1WCAG normal text: AA
Greyscale equivalent#929292
Inverted#7E6E34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E96CDno red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#7890CAno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#6B9CA5no blue cones; rare, and affects men and women equally; ΔE 31.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.85:1WCAG large text: AAA

Named colours

Steel blue · ΔE 15.1Cornflower blue · ΔE 17.6Light slate grey · ΔE 23.8Slate grey · ΔE 25Light steelblue · ΔE 25.9Light skyblue · ΔE 27.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CBBB81
Analogous#81B6CB, #9681CB
Triadic#CB8191, #91CB81
Split complementary#CB9681, #B6CB81
Tetradic#CB81B6, #CBBB81, #81CB96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDF0F8
Lighter +20%#C9D0E9
Lighter +10%#A5B1DA
Darker −10%#5D71BC
Darker −20%#4358A3
Darker −30%#34447F
Darker −40%#25315B
More saturated +25%#6B84E1
Less saturated −25%#979EB5

Channel breakdown

R129
G145
B203
Red129 (50.6%)
Green145 (56.9%)
Blue203 (79.6%)
Hue227.03°
Saturation (HSL)41.57%
Lightness65.1%
Dominant channelBlue
Hex per channelR 81 · G 91 · B CB

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Every value on this page was computed from “8191cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.