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Recognised as Colour

#64B3BC

  • #64B3BC
  • Cyan
  • Dark
  • Nearest: Cadetblue

#64B3BC is a cyan with RGB values 100, 179, 188 and HSL 186°, 40%, 56%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#64B3BC#64B3BC
HEX#64B3BC
RGBrgb(100, 179, 188)
RGB (0–1)0.3922, 0.702, 0.7373
RGB percentages39.2%, 70.2%, 73.7%
HSLhsl(186.1, 39.6%, 56.5%)
HSV / HSBhsv(186.1, 46.8%, 73.7%)
CMYK46.8%, 4.8%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,599,612
CSS custom property--colour: #64B3BC;

Brightness & contrast

Relative luminance0.3858WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.72:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.72:1WCAG normal text: AAA
Greyscale equivalent#A3A3A3
Inverted#9B4C43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8ADBDno red cones; affects about 1% of men; ΔE 23.7 from the original
Deuteranopia#99A2BCno green cones; the most common form, about 1% of men; ΔE 24.4 from the original
Tritanopia#35B9B6no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.72:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 9Sky blue · ΔE 15.8Light seagreen · ΔE 16.9Medium turquoise · ΔE 18Dark cyan · ΔE 18.7Light blue · ΔE 18.9
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 8.95, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC6D64
Analogous#64BC99, #6487BC
Triadic#BC64B3, #B3BC64
Split complementary#BC6487, #BC9964
Tetradic#9964BC, #BC6D64, #87BC64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F9FA
Lighter +30%#CFE7EA
Lighter +20%#ABD6DB
Lighter +10%#88C4CB
Darker −10%#489CA5
Darker −20%#387A82
Darker −30%#29595E
Darker −40%#19373B
More saturated +25%#48C9D8
Less saturated −25%#809DA0

Channel breakdown

R100
G179
B188
Red100 (39.2%)
Green179 (70.2%)
Blue188 (73.7%)
Hue186.14°
Saturation (HSL)39.64%
Lightness56.47%
Dominant channelBlue
Hex per channelR 64 · G B3 · B BC

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Every value on this page was computed from “64b3bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.