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Recognised as Colour

#006171

  • #006171
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#006171 is a cyan with RGB values 0, 97, 113 and HSL 188°, 100%, 22%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#006171#006171
HEX#006171
RGBrgb(0, 97, 113)
RGB (0–1)0, 0.3804, 0.4431
RGB percentages0%, 38%, 44.3%
HSLhsl(188.5, 100%, 22.2%)
HSV / HSBhsv(188.5, 100%, 44.3%)
CMYK100%, 14.2%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer24,945
CSS custom property--colour: #006171;

Brightness & contrast

Relative luminance0.09742WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.12:1
Contrast with white7.12:1WCAG normal text: AAA
Contrast with black2.95:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#FF9E8E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#565D72no red cones; affects about 1% of men; ΔE 20.7 from the original
Deuteranopia#485471no green cones; the most common form, about 1% of men; ΔE 21.2 from the original
Tritanopia#006766no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.12:1WCAG large text: AAA
Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15Teal · ΔE 17.1Dark cyan · ΔE 20.7Slate grey · ΔE 22.8Light slate grey · ΔE 24.8Dim grey · ΔE 25
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.01, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#711000
Analogous#007148, #002971
Triadic#710061, #617100
Split complementary#710028, #714900
Tetradic#490071, #711000, #297100

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3EE4FF
Lighter +30%#0BDCFF
Lighter +20%#00B9D7
Lighter +10%#008DA4
Darker −10%#00353E
Darker −20%#00090B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#006171
Less saturated −25%#0E5763

Channel breakdown

R0
G97
B113
Red0 (0%)
Green97 (38%)
Blue113 (44.3%)
Hue188.5°
Saturation (HSL)100%
Lightness22.16%
Dominant channelBlue
Hex per channelR 00 · G 61 · B 71

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Every value on this page was computed from “hex 006171” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.