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Recognised as Colour

#042328

  • #042328
  • Cyan
  • Dark
  • Nearest: Black

#042328 is a cyan with RGB values 4, 35, 40 and HSL 188°, 82%, 9%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#042328#042328
HEX#042328
RGBrgb(4, 35, 40)
RGB (0–1)0.0157, 0.1373, 0.1569
RGB percentages1.6%, 13.7%, 15.7%
HSLhsl(188.3, 81.8%, 8.6%)
HSV / HSBhsv(188.3, 90%, 15.7%)
CMYK90%, 12.5%, 0%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer271,144
CSS custom property--colour: #042328;

Brightness & contrast

Relative luminance0.01381WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.45:1
Contrast with white16.45:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#FBDCD7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F2128no red cones; affects about 1% of men; ΔE 10.4 from the original
Deuteranopia#1A1E28no green cones; the most common form, about 1% of men; ΔE 10.3 from the original
Tritanopia#002525no blue cones; rare, and affects men and women equally; ΔE 4.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.45:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 16.4Dark slate grey · ΔE 19.8Dim grey · ΔE 34.5Teal · ΔE 41.4Slate grey · ΔE 41.8Gray · ΔE 43.3
Nearest named CSS colourBlack (#000000)ΔE 16.38, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#280904
Analogous#04281B, #041128
Triadic#280423, #232804
Split complementary#280411, #281B04
Tetradic#1B0428, #280904, #112804

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#17C5E1
Lighter +30%#129DB3
Lighter +20%#0D7485
Lighter +10%#094C56
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00262C
Less saturated −25%#0A1F23

Channel breakdown

R4
G35
B40
Red4 (1.6%)
Green35 (13.7%)
Blue40 (15.7%)
Hue188.33°
Saturation (HSL)81.82%
Lightness8.63%
Dominant channelBlue
Hex per channelR 04 · G 23 · B 28

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Every value on this page was computed from “hex 042328” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.