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Recognised as Colour

#64A4C1

  • #64A4C1
  • Cyan
  • Dark
  • Nearest: Sky blue

#64A4C1 is a cyan with RGB values 100, 164, 193 and HSL 199°, 43%, 57%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#64A4C1#64A4C1
HEX#64A4C1
RGBrgb(100, 164, 193)
RGB (0–1)0.3922, 0.6431, 0.7569
RGB percentages39.2%, 64.3%, 75.7%
HSLhsl(198.7, 42.9%, 57.5%)
HSV / HSBhsv(198.7, 48.2%, 75.7%)
CMYK48.2%, 15%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,595,777
CSS custom property--colour: #64A4C1;

Brightness & contrast

Relative luminance0.3311WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.62:1
Contrast with white2.76:1WCAG normal text: Fail
Contrast with black7.62:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#9B5B3E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#95A2C3no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#8897C1no green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#35ACADno blue cones; rare, and affects men and women equally; ΔE 22 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.76:1WCAG large text: Fail
Contrast with black, large text7.62:1WCAG large text: AAA

Named colours

Sky blue · ΔE 15.1Cadetblue · ΔE 15.8Light slate grey · ΔE 16.7Light skyblue · ΔE 17.2Steel blue · ΔE 18.2Slate grey · ΔE 18.8
Nearest named CSS colourSky blue (#87CEEB)ΔE 15.13, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C18164
Analogous#64C1B0, #6475C1
Triadic#C164A4, #A4C164
Split complementary#C16475, #C1AF64
Tetradic#B064C1, #C18164, #76C164

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6FAFB
Lighter +30%#D1E4ED
Lighter +20%#ADCFDE
Lighter +10%#88B9D0
Darker −10%#458DAD
Darker −20%#376F88
Darker −30%#285164
Darker −40%#193440
More saturated +25%#49AEDC
Less saturated −25%#7F9AA6

Channel breakdown

R100
G164
B193
Red100 (39.2%)
Green164 (64.3%)
Blue193 (75.7%)
Hue198.71°
Saturation (HSL)42.86%
Lightness57.45%
Dominant channelBlue
Hex per channelR 64 · G A4 · B C1

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Every value on this page was computed from “64a4c1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.