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Recognised as Colour

#184B59

  • #184B59
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#184B59 is a cyan with RGB values 24, 75, 89 and HSL 193°, 58%, 22%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#184B59#184B59
HEX#184B59
RGBrgb(24, 75, 89)
RGB (0–1)0.0941, 0.2941, 0.349
RGB percentages9.4%, 29.4%, 34.9%
HSLhsl(192.9, 57.5%, 22.2%)
HSV / HSBhsv(192.9, 73%, 34.9%)
CMYK73%, 15.7%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,592,153
CSS custom property--colour: #184B59;

Brightness & contrast

Relative luminance0.05948WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.59:1
Contrast with white9.59:1WCAG normal text: AAA
Contrast with black2.19:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#E7B4A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#42495Ano red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#394259no green cones; the most common form, about 1% of men; ΔE 14.5 from the original
Tritanopia#00504Fno blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.59:1WCAG large text: AAA
Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.7Dim grey · ΔE 23.3Slate grey · ΔE 25.6Teal · ΔE 26Light slate grey · ΔE 28.3Dark cyan · ΔE 30
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.69, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#592618
Analogous#185946, #182B59
Triadic#59184B, #4B5918
Split complementary#59182A, #594618
Tetradic#471859, #592618, #2B5918

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#67BED6
Lighter +30%#3FADCB
Lighter +20%#2E8FA9
Lighter +10%#236D81
Darker −10%#0D2931
Darker −20%#020709
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A5367
Less saturated −25%#26434B

Channel breakdown

R24
G75
B89
Red24 (9.4%)
Green75 (29.4%)
Blue89 (34.9%)
Hue192.92°
Saturation (HSL)57.52%
Lightness22.16%
Dominant channelBlue
Hex per channelR 18 · G 4B · B 59

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Every value on this page was computed from “184b59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.