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Recognised as Colour

#A4B1FD

  • #A4B1FD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#A4B1FD is a blue with RGB values 164, 177, 253 and HSL 231°, 96%, 82%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#A4B1FD#A4B1FD
HEX#A4B1FD
RGBrgb(164, 177, 253)
RGB (0–1)0.6431, 0.6941, 0.9922
RGB percentages64.3%, 69.4%, 99.2%
HSLhsl(231.2, 95.7%, 81.8%)
HSV / HSBhsv(231.2, 35.2%, 99.2%)
CMYK35.2%, 30%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,793,469
CSS custom property--colour: #A4B1FD;

Brightness & contrast

Relative luminance0.46429WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.29:1
Contrast with white2.04:1WCAG normal text: Fail
Contrast with black10.29:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#5B4E02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#99B9FFno red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#93B2FBno green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#8BC0CCno blue cones; rare, and affects men and women equally; ΔE 38.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.04:1WCAG large text: Fail
Contrast with black, large text10.29:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 16.1Plum · ΔE 25.9Light skyblue · ΔE 26.8Light steelblue · ΔE 28.3Steel blue · ΔE 28.3Dodgerblue · ΔE 28.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDF0A4
Analogous#A4DDFD, #C4A4FD
Triadic#FDA4B1, #B1FDA4
Split complementary#FDC4A4, #DDFDA4
Tetradic#FDA4DD, #FDF0A4, #A4FDC4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D6DCFE
Darker −10%#7286FC
Darker −20%#405BFB
Darker −30%#0E31FA
Darker −40%#0522D0
More saturated +25%#A2B0FF
Less saturated −25%#B0B9F1

Channel breakdown

R164
G177
B253
Red164 (64.3%)
Green177 (69.4%)
Blue253 (99.2%)
Hue231.24°
Saturation (HSL)95.7%
Lightness81.76%
Dominant channelBlue
Hex per channelR A4 · G B1 · B FD

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Every value on this page was computed from “a4b1fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.