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Recognised as Colour

#05423B

  • #05423B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#05423B is a cyan with RGB values 5, 66, 59 and HSL 173°, 86%, 14%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#05423B#05423B
HEX#05423B
RGBrgb(5, 66, 59)
RGB (0–1)0.0196, 0.2588, 0.2314
RGB percentages2%, 25.9%, 23.1%
HSLhsl(173.1, 85.9%, 13.9%)
HSV / HSBhsv(173.1, 92.4%, 25.9%)
CMYK92.4%, 0%, 10.6%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer344,635
CSS custom property--colour: #05423B;

Brightness & contrast

Relative luminance0.04244WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.36:1
Contrast with white11.36:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FABDC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E3D3Bno red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#36383Cno green cones; the most common form, about 1% of men; ΔE 20.2 from the original
Tritanopia#004440no blue cones; rare, and affects men and women equally; ΔE 2.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.36:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.1Teal · ΔE 26.5Dim grey · ΔE 28.3Dark cyan · ΔE 30.8Black · ΔE 31.6Slate grey · ΔE 34.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#42050C
Analogous#05421D, #052A42
Triadic#3B0542, #423B05
Split complementary#42052A, #421D05
Tetradic#1D0542, #42050C, #2A4205

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#25EED7
Lighter +30%#10D0BA
Lighter +20%#0CA190
Lighter +10%#097165
Darker −10%#011311
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00473F
Less saturated −25%#0E3934

Channel breakdown

R5
G66
B59
Red5 (2%)
Green66 (25.9%)
Blue59 (23.1%)
Hue173.11°
Saturation (HSL)85.92%
Lightness13.92%
Dominant channelGreen
Hex per channelR 05 · G 42 · B 3B

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Every value on this page was computed from “05423b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.