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Recognised as Colour

#1785A8

  • #1785A8
  • Cyan
  • Dark
  • Nearest: Steel blue

#1785A8 is a cyan with RGB values 23, 133, 168 and HSL 194°, 76%, 37%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1785A8#1785A8
HEX#1785A8
RGBrgb(23, 133, 168)
RGB (0–1)0.0902, 0.5216, 0.6588
RGB percentages9%, 52.2%, 65.9%
HSLhsl(194.5, 75.9%, 37.5%)
HSV / HSBhsv(194.5, 86.3%, 65.9%)
CMYK86.3%, 20.8%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,541,544
CSS custom property--colour: #1785A8;

Brightness & contrast

Relative luminance0.19784WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.96:1
Contrast with white4.24:1WCAG normal text: Fail
Contrast with black4.96:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#E87A57

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7282AAno red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#6075A8no green cones; the most common form, about 1% of men; ΔE 22.6 from the original
Tritanopia#008F91no blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.24:1WCAG large text: AA
Contrast with black, large text4.96:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.5Light slate grey · ΔE 21.5Slate grey · ΔE 21.6Cadetblue · ΔE 21.8Teal · ΔE 22.4Dark cyan · ΔE 22.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.49, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A83A17
Analogous#17A883, #173DA8
Triadic#A81785, #85A817
Split complementary#A8173D, #A88317
Tetradic#8317A8, #A83A17, #3DA817

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9ADCF1
Lighter +30%#6DCDEB
Lighter +20%#40BDE5
Lighter +10%#1DA9D5
Darker −10%#11617B
Darker −20%#0B3E4E
Darker −30%#051A21
Darker −40%#000000
More saturated +25%#0091BF
Less saturated −25%#2F7990

Channel breakdown

R23
G133
B168
Red23 (9%)
Green133 (52.2%)
Blue168 (65.9%)
Hue194.48°
Saturation (HSL)75.92%
Lightness37.45%
Dominant channelBlue
Hex per channelR 17 · G 85 · B A8

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Every value on this page was computed from “1785a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.