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Recognised as Colour

#04291F

  • #04291F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04291F is a cyan with RGB values 4, 41, 31 and HSL 164°, 82%, 9%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#04291F#04291F
HEX#04291F
RGBrgb(4, 41, 31)
RGB (0–1)0.0157, 0.1608, 0.1216
RGB percentages1.6%, 16.1%, 12.2%
HSLhsl(163.8, 82.2%, 8.8%)
HSV / HSBhsv(163.8, 90.2%, 16.1%)
CMYK90.2%, 0%, 24.4%, 83.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer272,671
CSS custom property--colour: #04291F;

Brightness & contrast

Relative luminance0.01711WCAG 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 15.65:1
Contrast with white15.65:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FBD6E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#27251Fno red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#232220no green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#002926no blue cones; rare, and affects men and women equally; ΔE 5.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.65:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.1Black · ΔE 21.4Dim grey · ΔE 34.6Teal · ΔE 38.4Dark olivegreen · ΔE 39.8Dark cyan · ΔE 42.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.08, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#29040E
Analogous#04290D, #042129
Triadic#1F0429, #291F04
Split complementary#290421, #290D04
Tetradic#0C0429, #29040E, #202904

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#16E3AC
Lighter +30%#12B488
Lighter +20%#0D8665
Lighter +10%#095742
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002D21
Less saturated −25%#0A231C

Channel breakdown

R4
G41
B31
Red4 (1.6%)
Green41 (16.1%)
Blue31 (12.2%)
Hue163.78°
Saturation (HSL)82.22%
Lightness8.82%
Dominant channelGreen
Hex per channelR 04 · G 29 · B 1F

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Every value on this page was computed from “04291f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.