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Recognised as Colour

#6891AB

  • #6891AB
  • Blue
  • Dark
  • Nearest: Light slate grey

#6891AB is a blue with RGB values 104, 145, 171 and HSL 203°, 29%, 54%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#6891AB#6891AB
HEX#6891AB
RGBrgb(104, 145, 171)
RGB (0–1)0.4078, 0.5686, 0.6706
RGB percentages40.8%, 56.9%, 67.1%
HSLhsl(203.3, 28.5%, 53.9%)
HSV / HSBhsv(203.3, 39.2%, 67.1%)
CMYK39.2%, 15.2%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,853,035
CSS custom property--colour: #6891AB;

Brightness & contrast

Relative luminance0.26134WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.23:1
Contrast with white3.37:1WCAG normal text: Fail
Contrast with black6.23:1WCAG normal text: AA
Greyscale equivalent#8A8A8A
Inverted#976E54

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8590ACno red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#7C89ABno green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#509899no blue cones; rare, and affects men and women equally; ΔE 18.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.37:1WCAG large text: AA
Contrast with black, large text6.23:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 8.9Slate grey · ΔE 10.6Steel blue · ΔE 15.5Cadetblue · ΔE 16.7Gray · ΔE 20Light steelblue · ΔE 21.4
Nearest named CSS colourLight slate grey (#778899)ΔE 8.91, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB8268
Analogous#68ABA4, #686FAB
Triadic#AB6891, #91AB68
Split complementary#AB686F, #ABA368
Tetradic#A468AB, #AB8268, #70AB68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBF0F4
Lighter +30%#CAD9E2
Lighter +20%#AAC1CF
Lighter +10%#89A9BD
Darker −10%#507790
Darker −20%#3E5C6F
Darker −30%#2C414E
Darker −40%#19262E
More saturated +25%#4B98C8
Less saturated −25%#858A8E

Channel breakdown

R104
G145
B171
Red104 (40.8%)
Green145 (56.9%)
Blue171 (67.1%)
Hue203.28°
Saturation (HSL)28.51%
Lightness53.92%
Dominant channelBlue
Hex per channelR 68 · G 91 · B AB

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Every value on this page was computed from “6891ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.