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Recognised as Colour

#A4B4C5

  • #A4B4C5
  • Blue
  • Dark
  • Nearest: Light steelblue

#A4B4C5 is a blue with RGB values 164, 180, 197 and HSL 211°, 22%, 71%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A4B4C5#A4B4C5
HEX#A4B4C5
RGBrgb(164, 180, 197)
RGB (0–1)0.6431, 0.7059, 0.7725
RGB percentages64.3%, 70.6%, 77.3%
HSLhsl(210.9, 22.1%, 70.8%)
HSV / HSBhsv(210.9, 16.8%, 77.3%)
CMYK16.8%, 8.6%, 0%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,794,181
CSS custom property--colour: #A4B4C5;

Brightness & contrast

Relative luminance0.44566WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.91:1
Contrast with white2.12:1WCAG normal text: Fail
Contrast with black9.91:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#5B4B3A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEB4C6no red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#AAB1C5no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#9CB8B9no blue cones; rare, and affects men and women equally; ΔE 10 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.12:1WCAG large text: Fail
Contrast with black, large text9.91:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 7.5Dark grey · ΔE 11.2Silver · ΔE 11.8Light blue · ΔE 14.4Light grey · ΔE 16Light slate grey · ΔE 16.7
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 7.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C5B5A4
Analogous#A4C5C5, #A4A4C5
Triadic#C5A4B4, #B4C5A4
Split complementary#C5A4A4, #C5C5A4
Tetradic#C5A4C5, #C5B5A4, #A4C5A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E2E7ED
Lighter +10%#C3CED9
Darker −10%#859AB1
Darker −20%#66819D
Darker −30%#51677F
Darker −40%#3D4E60
More saturated +25%#91B3D8
Less saturated −25%#B4B4B4

Channel breakdown

R164
G180
B197
Red164 (64.3%)
Green180 (70.6%)
Blue197 (77.3%)
Hue210.91°
Saturation (HSL)22.15%
Lightness70.78%
Dominant channelBlue
Hex per channelR A4 · G B4 · B C5

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Every value on this page was computed from “a4b4c5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.