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Recognised as Colour

#397D83

  • #397D83
  • Cyan
  • Dark
  • Nearest: Teal

#397D83 is a cyan with RGB values 57, 125, 131 and HSL 185°, 39%, 37%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#397D83#397D83
HEX#397D83
RGBrgb(57, 125, 131)
RGB (0–1)0.2235, 0.4902, 0.5137
RGB percentages22.4%, 49%, 51.4%
HSLhsl(184.9, 39.4%, 36.9%)
HSV / HSBhsv(184.9, 56.5%, 51.4%)
CMYK56.5%, 4.6%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,767,683
CSS custom property--colour: #397D83;

Brightness & contrast

Relative luminance0.17176WCAG 2.x, 0 is black and 1 is white
Perceived brightness110 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.73:1
Contrast with white4.73:1WCAG normal text: AA
Contrast with black4.44:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#C6827C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#747883no red cones; affects about 1% of men; ΔE 20.8 from the original
Deuteranopia#686F83no green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#00817Fno blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.73:1WCAG large text: AAA
Contrast with black, large text4.44:1WCAG large text: AA

Named colours

Teal · ΔE 9.4Dark cyan · ΔE 11.7Cadetblue · ΔE 12.9Slate grey · ΔE 18Light slate grey · ΔE 18.9Dark slate grey · ΔE 19.9
Nearest named CSS colourTeal (#008080)ΔE 9.39, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#833F39
Analogous#398364, #395883
Triadic#83397D, #7D8339
Split complementary#833958, #836439
Tetradic#643983, #833F39, #588339

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADD7DB
Lighter +30%#89C6CC
Lighter +20%#66B5BC
Lighter +10%#489FA7
Darker −10%#2A5B5F
Darker −20%#1A393C
Darker −30%#0B1718
Darker −40%#000000
More saturated +25%#21919B
Less saturated −25%#51696C

Channel breakdown

R57
G125
B131
Red57 (22.4%)
Green125 (49%)
Blue131 (51.4%)
Hue184.86°
Saturation (HSL)39.36%
Lightness36.86%
Dominant channelBlue
Hex per channelR 39 · G 7D · B 83

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Every value on this page was computed from “397d83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.