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Recognised as Colour

#30424A

  • #30424A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#30424A is a cyan with RGB values 48, 66, 74 and HSL 198°, 21%, 24%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#30424A#30424A
HEX#30424A
RGBrgb(48, 66, 74)
RGB (0–1)0.1882, 0.2588, 0.2902
RGB percentages18.8%, 25.9%, 29%
HSLhsl(198.5, 21.3%, 23.9%)
HSV / HSBhsv(198.5, 35.1%, 29%)
CMYK35.1%, 10.8%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,162,698
CSS custom property--colour: #30424A;

Brightness & contrast

Relative luminance0.05019WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.48:1
Contrast with white10.48:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#CFBDB5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E414Ano red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#3A3E4Ano green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#274444no blue cones; rare, and affects men and women equally; ΔE 7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.48:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.9Dim grey · ΔE 19.6Slate grey · ΔE 26.4Black · ΔE 28.2Gray · ΔE 28.2Light slate grey · ΔE 29.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.87, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4A3830
Analogous#304A45, #30354A
Triadic#4A3042, #424A30
Split complementary#4A3035, #4A4530
Tetradic#45304A, #4A3830, #354A30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8FABB7
Lighter +30%#7093A3
Lighter +20%#587988
Lighter +10%#445E69
Darker −10%#1C262B
Darker −20%#080B0C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#214859
Less saturated −25%#3D3D3D

Channel breakdown

R48
G66
B74
Red48 (18.8%)
Green66 (25.9%)
Blue74 (29%)
Hue198.46°
Saturation (HSL)21.31%
Lightness23.92%
Dominant channelBlue
Hex per channelR 30 · G 42 · B 4A

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Every value on this page was computed from “30424a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.