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Recognised as Colour

#197F91

  • #197F91
  • Cyan
  • Dark
  • Nearest: Teal

#197F91 is a cyan with RGB values 25, 127, 145 and HSL 189°, 71%, 33%. 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

#197F91#197F91
HEX#197F91
RGBrgb(25, 127, 145)
RGB (0–1)0.098, 0.498, 0.5686
RGB percentages9.8%, 49.8%, 56.9%
HSLhsl(189, 70.6%, 33.3%)
HSV / HSBhsv(189, 82.8%, 56.9%)
CMYK82.8%, 12.4%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,671,057
CSS custom property--colour: #197F91;

Brightness & contrast

Relative luminance0.1743WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#E6806E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#727A92no red cones; affects about 1% of men; ΔE 23.9 from the original
Deuteranopia#626F91no green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#008685no blue cones; rare, and affects men and women equally; ΔE 13.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Teal · ΔE 12.1Dark cyan · ΔE 13.4Cadetblue · ΔE 16.1Slate grey · ΔE 20.6Light slate grey · ΔE 21.1Steel blue · ΔE 22.6
Nearest named CSS colourTeal (#008080)ΔE 12.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#912B19
Analogous#199167, #194391
Triadic#91197F, #7F9119
Split complementary#911943, #916719
Tetradic#671991, #912B19, #439119

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BDDEB
Lighter +30%#5FD0E3
Lighter +20%#34C3DC
Lighter +10%#21A5BC
Darker −10%#115965
Darker −20%#0A333A
Darker −30%#020D0E
Darker −40%#000000
More saturated +25%#048EA6
Less saturated −25%#2E707C

Channel breakdown

R25
G127
B145
Red25 (9.8%)
Green127 (49.8%)
Blue145 (56.9%)
Hue189°
Saturation (HSL)70.59%
Lightness33.33%
Dominant channelBlue
Hex per channelR 19 · G 7F · B 91

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Every value on this page was computed from “197f91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.