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Recognised as Colour

#015553

  • #015553
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#015553 is a cyan with RGB values 1, 85, 83 and HSL 179°, 98%, 17%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#015553#015553
HEX#015553
RGBrgb(1, 85, 83)
RGB (0–1)0.0039, 0.3333, 0.3255
RGB percentages0.4%, 33.3%, 32.5%
HSLhsl(178.6, 97.7%, 16.9%)
HSV / HSBhsv(178.6, 98.8%, 33.3%)
CMYK98.8%, 0%, 2.4%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer87,379
CSS custom property--colour: #015553;

Brightness & contrast

Relative luminance0.07128WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.66:1
Contrast with white8.66:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#FEAAAC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F5053no red cones; affects about 1% of men; ΔE 22.8 from the original
Deuteranopia#444854no green cones; the most common form, about 1% of men; ΔE 23.7 from the original
Tritanopia#005854no blue cones; rare, and affects men and women equally; ΔE 1.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.66:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.6Teal · ΔE 17.8Dark cyan · ΔE 22.1Dim grey · ΔE 25.9Cadetblue · ΔE 29.3Slate grey · ΔE 29.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.63, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#550103
Analogous#015529, #012D55
Triadic#530155, #555301
Split complementary#55012D, #552901
Tetradic#290155, #550103, #2D5501

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#26FCF7
Lighter +30%#03ECE7
Lighter +20%#02BAB5
Lighter +10%#028784
Darker −10%#002322
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005654
Less saturated −25%#0C4A49

Channel breakdown

R1
G85
B83
Red1 (0.4%)
Green85 (33.3%)
Blue83 (32.5%)
Hue178.57°
Saturation (HSL)97.67%
Lightness16.86%
Dominant channelGreen
Hex per channelR 01 · G 55 · B 53

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Every value on this page was computed from “hex 015553” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.