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Recognised as Colour

#A4B8EE

  • #A4B8EE
  • Blue
  • Dark
  • Nearest: Light steelblue

#A4B8EE is a blue with RGB values 164, 184, 238 and HSL 224°, 69%, 79%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A4B8EE#A4B8EE
HEX#A4B8EE
RGBrgb(164, 184, 238)
RGB (0–1)0.6431, 0.7216, 0.9333
RGB percentages64.3%, 72.2%, 93.3%
HSLhsl(223.8, 68.5%, 78.8%)
HSV / HSBhsv(223.8, 31.1%, 93.3%)
CMYK31.1%, 22.7%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,795,246
CSS custom property--colour: #A4B8EE;

Brightness & contrast

Relative luminance0.48347WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.67:1
Contrast with white1.97:1WCAG normal text: Fail
Contrast with black10.67:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#5B4711

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A7BCF0no red cones; affects about 1% of men; ΔE 1.8 from the original
Deuteranopia#A1B6EDno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#8FC3CAno blue cones; rare, and affects men and women equally; ΔE 28.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.97:1WCAG large text: Fail
Contrast with black, large text10.67:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 15.8Light skyblue · ΔE 16.9Thistle · ΔE 21.9Sky blue · ΔE 22.1Cornflower blue · ΔE 24.4Steel blue · ΔE 24.7
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 15.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EEDAA4
Analogous#A4DDEE, #B5A4EE
Triadic#EEA4B8, #B8EEA4
Split complementary#EEB5A4, #DDEEA4
Tetradic#EEA4DD, #EEDAA4, #A4EEB5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FAFBFE
Lighter +10%#CFDAF6
Darker −10%#7996E6
Darker −20%#4E75DE
Darker −30%#2755D2
Darker −40%#1F44A7
More saturated +25%#97B2FC
Less saturated −25%#B2BEE1

Channel breakdown

R164
G184
B238
Red164 (64.3%)
Green184 (72.2%)
Blue238 (93.3%)
Hue223.78°
Saturation (HSL)68.52%
Lightness78.82%
Dominant channelBlue
Hex per channelR A4 · G B8 · B EE

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Every value on this page was computed from “a4b8ee” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.