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Recognised as Colour

#64ACBD

  • #64ACBD
  • Cyan
  • Dark
  • Nearest: Cadetblue

#64ACBD is a cyan with RGB values 100, 172, 189 and HSL 191°, 40%, 57%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#64ACBD#64ACBD
HEX#64ACBD
RGBrgb(100, 172, 189)
RGB (0–1)0.3922, 0.6745, 0.7412
RGB percentages39.2%, 67.5%, 74.1%
HSLhsl(191.5, 40.3%, 56.7%)
HSV / HSBhsv(191.5, 47.1%, 74.1%)
CMYK47.1%, 9%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,597,821
CSS custom property--colour: #64ACBD;

Brightness & contrast

Relative luminance0.35888WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.18:1
Contrast with white2.57:1WCAG normal text: Fail
Contrast with black8.18:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#9B5342

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A0A8BEno red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#929DBDno green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#36B3B1no blue cones; rare, and affects men and women equally; ΔE 17 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.57:1WCAG large text: Fail
Contrast with black, large text8.18:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 10Sky blue · ΔE 14.3Light blue · ΔE 19.2Light slate grey · ΔE 19.5Light skyblue · ΔE 19.8Dark cyan · ΔE 20.2
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 9.98, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD7564
Analogous#64BDA2, #647FBD
Triadic#BD64AC, #ACBD64
Split complementary#BD647F, #BDA164
Tetradic#A264BD, #BD7564, #80BD64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F9FA
Lighter +30%#CFE5EB
Lighter +20%#ACD2DB
Lighter +10%#88BFCC
Darker −10%#4795A7
Darker −20%#387583
Darker −30%#29555F
Darker −40%#19353C
More saturated +25%#48BDD9
Less saturated −25%#809BA1

Channel breakdown

R100
G172
B189
Red100 (39.2%)
Green172 (67.5%)
Blue189 (74.1%)
Hue191.46°
Saturation (HSL)40.27%
Lightness56.67%
Dominant channelBlue
Hex per channelR 64 · G AC · B BD

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Every value on this page was computed from “64acbd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.