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Recognised as Colour

#6F91AB

  • #6F91AB
  • Blue
  • Dark
  • Nearest: Light slate grey

#6F91AB is a blue with RGB values 111, 145, 171 and HSL 206°, 26%, 55%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#6F91AB#6F91AB
HEX#6F91AB
RGBrgb(111, 145, 171)
RGB (0–1)0.4353, 0.5686, 0.6706
RGB percentages43.5%, 56.9%, 67.1%
HSLhsl(206, 26.3%, 55.3%)
HSV / HSBhsv(206, 35.1%, 67.1%)
CMYK35.1%, 15.2%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,311,787
CSS custom property--colour: #6F91AB;

Brightness & contrast

Relative luminance0.26571WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.31:1
Contrast with white3.33:1WCAG normal text: Fail
Contrast with black6.31:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#906E54

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8691ACno red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#7E8AABno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#5B9799no blue cones; rare, and affects men and women equally; ΔE 17.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.33:1WCAG large text: AA
Contrast with black, large text6.31:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 7.5Slate grey · ΔE 9.5Steel blue · ΔE 16Cadetblue · ΔE 17.7Gray · ΔE 18.9Light steelblue · ΔE 20.4
Nearest named CSS colourLight slate grey (#778899)ΔE 7.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB896F
Analogous#6FABA7, #6F73AB
Triadic#AB6F91, #91AB6F
Split complementary#AB6F73, #ABA76F
Tetradic#A76FAB, #AB896F, #73AB6F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0F3F6
Lighter +30%#D0DBE3
Lighter +20%#AFC2D1
Lighter +10%#8FAABE
Darker −10%#557892
Darker −20%#425D72
Darker −30%#304351
Darker −40%#1D2831
More saturated +25%#5395C8
Less saturated −25%#8C8D8F

Channel breakdown

R111
G145
B171
Red111 (43.5%)
Green145 (56.9%)
Blue171 (67.1%)
Hue206°
Saturation (HSL)26.32%
Lightness55.29%
Dominant channelBlue
Hex per channelR 6F · G 91 · B AB

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Every value on this page was computed from “6f91ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.