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Recognised as Colour

#043721

  • #043721
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#043721 is a cyan with RGB values 4, 55, 33 and HSL 154°, 86%, 12%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#043721#043721
HEX#043721
RGBrgb(4, 55, 33)
RGB (0–1)0.0157, 0.2157, 0.1294
RGB percentages1.6%, 21.6%, 12.9%
HSLhsl(154.1, 86.4%, 11.6%)
HSV / HSBhsv(154.1, 92.7%, 21.6%)
CMYK92.7%, 0%, 40%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer276,257
CSS custom property--colour: #043721;

Brightness & contrast

Relative luminance0.02868WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.35:1
Contrast with white13.35:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FBC8DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#363220no red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#302D22no green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#003731no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.35:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.6Black · ΔE 31.2Dark olivegreen · ΔE 31.4Teal · ΔE 34.4Dim grey · ΔE 34.9Sea green · ΔE 37.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.61, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#37041A
Analogous#043708, #043337
Triadic#210437, #372104
Split complementary#370434, #370804
Tetradic#070437, #37041A, #333704

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#19EE92
Lighter +30%#0EC677
Lighter +20%#0B965A
Lighter +10%#07673E
Darker −10%#010704
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B22
Less saturated −25%#0B3020

Channel breakdown

R4
G55
B33
Red4 (1.6%)
Green55 (21.6%)
Blue33 (12.9%)
Hue154.12°
Saturation (HSL)86.44%
Lightness11.57%
Dominant channelGreen
Hex per channelR 04 · G 37 · B 21

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Every value on this page was computed from “hex 043721” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.