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Recognised as Colour

#809CA4

  • #809CA4
  • Cyan
  • Dark
  • Nearest: Light slate grey

#809CA4 is a cyan with RGB values 128, 156, 164 and HSL 193°, 17%, 57%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#809CA4#809CA4
HEX#809CA4
RGBrgb(128, 156, 164)
RGB (0–1)0.502, 0.6118, 0.6431
RGB percentages50.2%, 61.2%, 64.3%
HSLhsl(193.3, 16.5%, 57.3%)
HSV / HSBhsv(193.3, 22%, 64.3%)
CMYK22%, 4.9%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,428,708
CSS custom property--colour: #809CA4;

Brightness & contrast

Relative luminance0.31046WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.21:1
Contrast with white2.91:1WCAG normal text: Fail
Contrast with black7.21:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#7F635B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#969AA4no red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#9095A4no green cones; the most common form, about 1% of men; ΔE 9.3 from the original
Tritanopia#759F9Eno blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.91:1WCAG large text: Fail
Contrast with black, large text7.21:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 9.5Slate grey · ΔE 11.7Cadetblue · ΔE 11.9Dark grey · ΔE 12.7Gray · ΔE 14.1Silver · ΔE 18.6
Nearest named CSS colourLight slate grey (#778899)ΔE 9.47, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A48880
Analogous#80A49A, #808AA4
Triadic#A4809C, #9CA480
Split complementary#A4808A, #A49A80
Tetradic#9A80A4, #A48880, #8AA480

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F9F9
Lighter +30%#D9E1E4
Lighter +20%#BBCACF
Lighter +10%#9EB3B9
Darker −10%#65848C
Darker −20%#4F686F
Darker −30%#3A4C51
Darker −40%#253033
More saturated +25%#65ABBF
Less saturated −25%#929292

Channel breakdown

R128
G156
B164
Red128 (50.2%)
Green156 (61.2%)
Blue164 (64.3%)
Hue193.33°
Saturation (HSL)16.51%
Lightness57.25%
Dominant channelBlue
Hex per channelR 80 · G 9C · B A4

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Every value on this page was computed from “809ca4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.