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Recognised as Colour

#055040

  • #055040
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#055040 is a cyan with RGB values 5, 80, 64 and HSL 167°, 88%, 17%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#055040#055040
HEX#055040
RGBrgb(5, 80, 64)
RGB (0–1)0.0196, 0.3137, 0.251
RGB percentages2%, 31.4%, 25.1%
HSLhsl(167.2, 88.2%, 16.7%)
HSV / HSBhsv(167.2, 93.8%, 31.4%)
CMYK93.7%, 0%, 20%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer348,224
CSS custom property--colour: #055040;

Brightness & contrast

Relative luminance0.0614WCAG 2.x, 0 is black and 1 is white
Perceived brightness65 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.43:1
Contrast with white9.43:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#FAAFBF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D4A3Fno red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#444341no green cones; the most common form, about 1% of men; ΔE 25.5 from the original
Tritanopia#00514Bno blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.43:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.6Teal · ΔE 22.3Dark cyan · ΔE 26.2Dim grey · ΔE 29.6Dark olivegreen · ΔE 30.5Sea green · ΔE 30.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.58, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#500515
Analogous#05501A, #053A50
Triadic#400550, #504005
Split complementary#50053A, #501A05
Tetradic#1B0550, #500515, #3B5005

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2FF2C8
Lighter +30%#0EE0B3
Lighter +20%#0BB08D
Lighter +10%#088066
Darker −10%#02201A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005543
Less saturated −25%#10453A

Channel breakdown

R5
G80
B64
Red5 (2%)
Green80 (31.4%)
Blue64 (25.1%)
Hue167.2°
Saturation (HSL)88.24%
Lightness16.67%
Dominant channelGreen
Hex per channelR 05 · G 50 · B 40

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Every value on this page was computed from “hex 055040” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.