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Recognised as Colour

#11597A

  • #11597A
  • Cyan
  • Dark
  • Nearest: Steel blue

#11597A is a cyan with RGB values 17, 89, 122 and HSL 199°, 76%, 27%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#11597A#11597A
HEX#11597A
RGBrgb(17, 89, 122)
RGB (0–1)0.0667, 0.349, 0.4784
RGB percentages6.7%, 34.9%, 47.8%
HSLhsl(198.9, 75.5%, 27.3%)
HSV / HSBhsv(198.9, 86.1%, 47.8%)
CMYK86.1%, 27%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,137,018
CSS custom property--colour: #11597A;

Brightness & contrast

Relative luminance0.08669WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.68:1
Contrast with white7.68:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#EEA685

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#49587Cno red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#3B4F79no green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#006264no blue cones; rare, and affects men and women equally; ΔE 22.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.68:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.3Dark slate grey · ΔE 21.5Slate grey · ΔE 23.3Light slate grey · ΔE 25.4Dim grey · ΔE 27.6Teal · ΔE 28.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.27, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A3211
Analogous#117A67, #11247A
Triadic#7A1159, #597A11
Split complementary#7A1124, #7A6711
Tetradic#67117A, #7A3211, #247A11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6CC3EB
Lighter +30%#40B1E4
Lighter +20%#1D9AD4
Lighter +10%#177AA7
Darker −10%#0B384D
Darker −20%#051820
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005F8B
Less saturated −25%#225369

Channel breakdown

R17
G89
B122
Red17 (6.7%)
Green89 (34.9%)
Blue122 (47.8%)
Hue198.86°
Saturation (HSL)75.54%
Lightness27.25%
Dominant channelBlue
Hex per channelR 11 · G 59 · B 7A

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Every value on this page was computed from “11597a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.