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Recognised as Colour

#015666

  • #015666
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#015666 is a cyan with RGB values 1, 86, 102 and HSL 190°, 98%, 20%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#015666#015666
HEX#015666
RGBrgb(1, 86, 102)
RGB (0–1)0.0039, 0.3373, 0.4
RGB percentages0.4%, 33.7%, 40%
HSLhsl(189.5, 98.1%, 20.2%)
HSV / HSBhsv(189.5, 99%, 40%)
CMYK99%, 15.7%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer87,654
CSS custom property--colour: #015666;

Brightness & contrast

Relative luminance0.07621WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.32:1
Contrast with white8.32:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FEA999

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B5367no red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#3F4A66no green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#005C5Bno blue cones; rare, and affects men and women equally; ΔE 12 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.32:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.6Teal · ΔE 21.1Slate grey · ΔE 24.5Dim grey · ΔE 24.9Dark cyan · ΔE 25Light slate grey · ΔE 26.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.64, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#661101
Analogous#016644, #012366
Triadic#660156, #566601
Split complementary#660123, #664401
Tetradic#440166, #661101, #236601

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#36DDFD
Lighter +30%#03D5FD
Lighter +20%#02ABCB
Lighter +10%#018199
Darker −10%#012B33
Darker −20%#000101
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005767
Less saturated −25%#0E4D59

Channel breakdown

R1
G86
B102
Red1 (0.4%)
Green86 (33.7%)
Blue102 (40%)
Hue189.5°
Saturation (HSL)98.06%
Lightness20.2%
Dominant channelBlue
Hex per channelR 01 · G 56 · B 66

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Every value on this page was computed from “hex 015666” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.