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Recognised as Colour

#184D42

  • #184D42
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#184D42 is a cyan with RGB values 24, 77, 66 and HSL 168°, 52%, 20%. 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

#184D42#184D42
HEX#184D42
RGBrgb(24, 77, 66)
RGB (0–1)0.0941, 0.302, 0.2588
RGB percentages9.4%, 30.2%, 25.9%
HSLhsl(167.5, 52.5%, 19.8%)
HSV / HSBhsv(167.5, 68.8%, 30.2%)
CMYK68.8%, 0%, 14.3%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,592,642
CSS custom property--colour: #184D42;

Brightness & contrast

Relative luminance0.05895WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.64:1
Contrast with white9.64:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#E7B2BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A4842no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#424243no green cones; the most common form, about 1% of men; ΔE 20.8 from the original
Tritanopia#004E4Ano blue cones; rare, and affects men and women equally; ΔE 5.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.64:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.4Teal · ΔE 23.1Dim grey · ΔE 25.6Dark cyan · ΔE 27.3Gray · ΔE 31.9Dark olivegreen · ΔE 32
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.36, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D1823
Analogous#184D28, #183D4D
Triadic#42184D, #4D4218
Split complementary#4D183D, #4D2818
Tetradic#28184D, #4D1823, #3D4D18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#63CEB8
Lighter +30%#3CC2A6
Lighter +20%#309B85
Lighter +10%#247463
Darker −10%#0C2621
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B5A49
Less saturated −25%#25403B

Channel breakdown

R24
G77
B66
Red24 (9.4%)
Green77 (30.2%)
Blue66 (25.9%)
Hue167.55°
Saturation (HSL)52.48%
Lightness19.8%
Dominant channelGreen
Hex per channelR 18 · G 4D · B 42

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Every value on this page was computed from “184d42” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.