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Recognised as Colour

#184C65

  • #184C65
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#184C65 is a cyan with RGB values 24, 76, 101 and HSL 199°, 62%, 25%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#184C65#184C65
HEX#184C65
RGBrgb(24, 76, 101)
RGB (0–1)0.0941, 0.298, 0.3961
RGB percentages9.4%, 29.8%, 39.6%
HSLhsl(199.5, 61.6%, 24.5%)
HSV / HSBhsv(199.5, 76.2%, 39.6%)
CMYK76.2%, 24.8%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,592,421
CSS custom property--colour: #184C65;

Brightness & contrast

Relative luminance0.06303WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.29:1
Contrast with white9.29:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#E7B39A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#404B66no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#354465no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#005354no blue cones; rare, and affects men and women equally; ΔE 18.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.29:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.3Slate grey · ΔE 25Dim grey · ΔE 25.4Steel blue · ΔE 25.9Light slate grey · ΔE 27.7Teal · ΔE 29.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.29, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#653118
Analogous#186557, #182665
Triadic#65184C, #4C6518
Split complementary#651826, #655818
Tetradic#571865, #653118, #256518

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6DB8DC
Lighter +30%#44A4D2
Lighter +20%#2C8AB7
Lighter +10%#226B8E
Darker −10%#0E2D3C
Darker −20%#040E13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#085175
Less saturated −25%#284755

Channel breakdown

R24
G76
B101
Red24 (9.4%)
Green76 (29.8%)
Blue101 (39.6%)
Hue199.48°
Saturation (HSL)61.6%
Lightness24.51%
Dominant channelBlue
Hex per channelR 18 · G 4C · B 65

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Every value on this page was computed from “184c65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.