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Recognised as Colour

#828DAB

  • #828DAB
  • Blue
  • Dark
  • Nearest: Light slate grey

#828DAB is a blue with RGB values 130, 141, 171 and HSL 224°, 20%, 59%. 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

#828DAB#828DAB
HEX#828DAB
RGBrgb(130, 141, 171)
RGB (0–1)0.5098, 0.5529, 0.6706
RGB percentages51%, 55.3%, 67.1%
HSLhsl(223.9, 19.6%, 59%)
HSV / HSBhsv(223.9, 24%, 67.1%)
CMYK24%, 17.5%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,555,947
CSS custom property--colour: #828DAB;

Brightness & contrast

Relative luminance0.26736WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.35:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.35:1WCAG normal text: AA
Greyscale equivalent#8D8D8D
Inverted#7D7254

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#848FACno red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#818CAAno green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#789397no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.35:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 8.3Slate grey · ΔE 10.1Steel blue · ΔE 17.7Gray · ΔE 18.1Light steelblue · ΔE 20.2Dark grey · ΔE 20.3
Nearest named CSS colourLight slate grey (#778899)ΔE 8.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ABA082
Analogous#82A2AB, #8B82AB
Triadic#AB828D, #8DAB82
Split complementary#AB8B82, #A2AB82
Tetradic#AB82A2, #ABA082, #82AB8B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFCFD
Lighter +30%#DEE0E8
Lighter +20%#BFC5D4
Lighter +10%#A1A9BF
Darker −10%#647296
Darker −20%#505A77
Darker −30%#3B4359
Darker −40%#272C3A
More saturated +25%#6881C5
Less saturated −25%#969696

Channel breakdown

R130
G141
B171
Red130 (51%)
Green141 (55.3%)
Blue171 (67.1%)
Hue223.9°
Saturation (HSL)19.62%
Lightness59.02%
Dominant channelBlue
Hex per channelR 82 · G 8D · B AB

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Every value on this page was computed from “828dab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.