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Recognised as Colour

#042825

  • #042825
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#042825 is a cyan with RGB values 4, 40, 37 and HSL 175°, 82%, 9%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#042825#042825
HEX#042825
RGBrgb(4, 40, 37)
RGB (0–1)0.0157, 0.1569, 0.1451
RGB percentages1.6%, 15.7%, 14.5%
HSLhsl(175, 81.8%, 8.6%)
HSV / HSBhsv(175, 90%, 15.7%)
CMYK90%, 0%, 7.5%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer272,421
CSS custom property--colour: #042825;

Brightness & contrast

Relative luminance0.01677WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.73:1
Contrast with white15.73:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FBD7DA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#252525no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#202125no green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#002927no blue cones; rare, and affects men and women equally; ΔE 1.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.73:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.8Black · ΔE 19.3Dim grey · ΔE 33.6Teal · ΔE 38.4Slate grey · ΔE 41.7Gray · ΔE 42.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.76, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#280407
Analogous#042813, #041928
Triadic#250428, #282504
Split complementary#280419, #281304
Tetradic#130428, #280407, #192804

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#17E1D1
Lighter +30%#12B3A6
Lighter +20%#0D857B
Lighter +10%#095650
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002C28
Less saturated −25%#0A2320

Channel breakdown

R4
G40
B37
Red4 (1.6%)
Green40 (15.7%)
Blue37 (14.5%)
Hue175°
Saturation (HSL)81.82%
Lightness8.63%
Dominant channelGreen
Hex per channelR 04 · G 28 · B 25

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Every value on this page was computed from “hex 042825” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.