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Recognised as Colour

#055B4D

  • #055B4D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#055B4D is a cyan with RGB values 5, 91, 77 and HSL 170°, 90%, 19%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#055B4D#055B4D
HEX#055B4D
RGBrgb(5, 91, 77)
RGB (0–1)0.0196, 0.3569, 0.302
RGB percentages2%, 35.7%, 30.2%
HSLhsl(170.2, 89.6%, 18.8%)
HSV / HSBhsv(170.2, 94.5%, 35.7%)
CMYK94.5%, 0%, 15.4%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer351,053
CSS custom property--colour: #055B4D;

Brightness & contrast

Relative luminance0.0805WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.05:1
Contrast with white8.05:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FAA4B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#57554Cno red cones; affects about 1% of men; ΔE 26.2 from the original
Deuteranopia#4D4D4Eno green cones; the most common form, about 1% of men; ΔE 27.1 from the original
Tritanopia#005C57no blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.05:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.2Teal · ΔE 17.5Dark cyan · ΔE 21.3Sea green · ΔE 28.5Dim grey · ΔE 28.7Cadetblue · ΔE 29.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.2, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B0513
Analogous#055B22, #053E5B
Triadic#4D055B, #5B4D05
Split complementary#5B053E, #5B2205
Tetradic#22055B, #5B0513, #3E5B05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#38F4D5
Lighter +30%#0DECC8
Lighter +20%#0ABC9F
Lighter +10%#088B76
Darker −10%#022B24
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006050
Less saturated −25%#114F45

Channel breakdown

R5
G91
B77
Red5 (2%)
Green91 (35.7%)
Blue77 (30.2%)
Hue170.23°
Saturation (HSL)89.58%
Lightness18.82%
Dominant channelGreen
Hex per channelR 05 · G 5B · B 4D

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Every value on this page was computed from “055b4d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.