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Colour

#17697F

  • #17697F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#17697F is a cyan with RGB values 23, 105, 127 and HSL 193°, 69%, 29%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#17697F#17697F
HEX#17697F
RGBrgb(23, 105, 127)
RGB (0–1)0.0902, 0.4118, 0.498
RGB percentages9%, 41.2%, 49.8%
HSLhsl(192.7, 69.3%, 29.4%)
HSV / HSBhsv(192.7, 81.9%, 49.8%)
CMYK81.9%, 17.3%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,534,335
CSS custom property--colour: #17697F;

Brightness & contrast

Relative luminance0.11818WCAG 2.x, 0 is black and 1 is white
Perceived brightness92 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.24:1
Contrast with white6.24:1WCAG normal text: AA
Contrast with black3.36:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#E89680

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C6680no red cones; affects about 1% of men; ΔE 18.5 from the original
Deuteranopia#4E5C7Fno green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#007070no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.24:1WCAG large text: AAA
Contrast with black, large text3.36:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 18.5Teal · ΔE 18.5Slate grey · ΔE 19.8Steel blue · ΔE 20.9Dark cyan · ΔE 21.3Light slate grey · ΔE 21.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.46, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F2D17
Analogous#177F61, #17357F
Triadic#7F1769, #697F17
Split complementary#7F1735, #7F6117
Tetradic#61177F, #7F2D17, #357F17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BD0E7
Lighter +30%#50C1DF
Lighter +20%#27B0D5
Lighter +10%#1F8DAA
Darker −10%#0F4554
Darker −20%#072229
Darker −30%#000000
Darker −40%#000000
More saturated +25%#047492
Less saturated −25%#2A5E6C

Channel breakdown

R23
G105
B127
Red23 (9%)
Green105 (41.2%)
Blue127 (49.8%)
Hue192.69°
Saturation (HSL)69.33%
Lightness29.41%
Dominant channelBlue
Hex per channelR 17 · G 69 · B 7F

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Every value on this page was computed from “17697f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.