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Recognised as Colour

#397B89

  • #397B89
  • Cyan
  • Dark
  • Nearest: Teal

#397B89 is a cyan with RGB values 57, 123, 137 and HSL 191°, 41%, 38%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#397B89#397B89
HEX#397B89
RGBrgb(57, 123, 137)
RGB (0–1)0.2235, 0.4824, 0.5373
RGB percentages22.4%, 48.2%, 53.7%
HSLhsl(190.5, 41.2%, 38%)
HSV / HSBhsv(190.5, 58.4%, 53.7%)
CMYK58.4%, 10.2%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,767,177
CSS custom property--colour: #397B89;

Brightness & contrast

Relative luminance0.16842WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.81:1
Contrast with white4.81:1WCAG normal text: AA
Contrast with black4.37:1WCAG normal text: Fail
Greyscale equivalent#6E6E6E
Inverted#C68476

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#70778Ano red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#646E89no green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#00817Fno blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.81:1WCAG large text: AAA
Contrast with black, large text4.37:1WCAG large text: AA

Named colours

Teal · ΔE 13.4Cadetblue · ΔE 15Dark cyan · ΔE 15.4Slate grey · ΔE 15.6Light slate grey · ΔE 16.6Dark slate grey · ΔE 20.3
Nearest named CSS colourTeal (#008080)ΔE 13.39, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#894739
Analogous#39896F, #395389
Triadic#89397B, #7B8939
Split complementary#893953, #896F39
Tetradic#6F3989, #894739, #538939

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0D6DE
Lighter +30%#8CC3CF
Lighter +20%#68B1C0
Lighter +10%#489BAD
Darker −10%#2A5B65
Darker −20%#1B3A41
Darker −30%#0C1A1D
Darker −40%#000000
More saturated +25%#218BA1
Less saturated −25%#516B71

Channel breakdown

R57
G123
B137
Red57 (22.4%)
Green123 (48.2%)
Blue137 (53.7%)
Hue190.5°
Saturation (HSL)41.24%
Lightness38.04%
Dominant channelBlue
Hex per channelR 39 · G 7B · B 89

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Every value on this page was computed from “397b89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.