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Recognised as Colour

#A4B0D1

  • #A4B0D1
  • Blue
  • Dark
  • Nearest: Light steelblue

#A4B0D1 is a blue with RGB values 164, 176, 209 and HSL 224°, 33%, 73%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A4B0D1#A4B0D1
HEX#A4B0D1
RGBrgb(164, 176, 209)
RGB (0–1)0.6431, 0.6902, 0.8196
RGB percentages64.3%, 69%, 82%
HSLhsl(224, 32.8%, 73.1%)
HSV / HSBhsv(224, 21.5%, 82%)
CMYK21.5%, 15.8%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,793,169
CSS custom property--colour: #A4B0D1;

Brightness & contrast

Relative luminance0.43547WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.71:1
Contrast with white2.16:1WCAG normal text: Fail
Contrast with black9.71:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#5B4F2E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A6B2D3no red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#A3AFD0no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#99B6BBno blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.16:1WCAG large text: Fail
Contrast with black, large text9.71:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 8.3Thistle · ΔE 15.9Light slate grey · ΔE 18.2Dark grey · ΔE 18.5Light skyblue · ΔE 18.9Silver · ΔE 19.2
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 8.26, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1C5A4
Analogous#A4C7D1, #AFA4D1
Triadic#D1A4B0, #B0D1A4
Split complementary#D1AFA4, #C7D1A4
Tetradic#D1A4C7, #D1C5A4, #A4D1AF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E8EBF3
Lighter +10%#C6CDE2
Darker −10%#8293C0
Darker −20%#6075AF
Darker −30%#4A5D92
Darker −40%#394870
More saturated +25%#93A8E2
Less saturated −25%#B5B8C0

Channel breakdown

R164
G176
B209
Red164 (64.3%)
Green176 (69%)
Blue209 (82%)
Hue224°
Saturation (HSL)32.85%
Lightness73.14%
Dominant channelBlue
Hex per channelR A4 · G B0 · B D1

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Every value on this page was computed from “a4b0d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.