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Recognised as Colour

#09434B

  • #09434B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#09434B is a cyan with RGB values 9, 67, 75 and HSL 187°, 79%, 16%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#09434B#09434B
HEX#09434B
RGBrgb(9, 67, 75)
RGB (0–1)0.0353, 0.2627, 0.2941
RGB percentages3.5%, 26.3%, 29.4%
HSLhsl(187.3, 78.6%, 16.5%)
HSV / HSBhsv(187.3, 88%, 29.4%)
CMYK88%, 10.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer607,051
CSS custom property--colour: #09434B;

Brightness & contrast

Relative luminance0.0458WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.96:1
Contrast with white10.96:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#F6BCB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C404Bno red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#333A4Bno green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#004745no blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.96:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.8Dim grey · ΔE 25.7Teal · ΔE 27Slate grey · ΔE 29.9Black · ΔE 30.9Dark cyan · ΔE 31.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.84, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B1109
Analogous#094B32, #09224B
Triadic#4B0943, #434B09
Split complementary#4B0922, #4B3209
Tetradic#32094B, #4B1109, #224B09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#39D2E7
Lighter +30%#19BDD4
Lighter +20%#1494A6
Lighter +10%#0E6C79
Darker −10%#041A1D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004A54
Less saturated −25%#133B41

Channel breakdown

R9
G67
B75
Red9 (3.5%)
Green67 (26.3%)
Blue75 (29.4%)
Hue187.27°
Saturation (HSL)78.57%
Lightness16.47%
Dominant channelBlue
Hex per channelR 09 · G 43 · B 4B

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Every value on this page was computed from “09434b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.