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Colour

#17235E

  • #17235E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#17235E is a blue with RGB values 23, 35, 94 and HSL 230°, 61%, 23%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#17235E#17235E
HEX#17235E
RGBrgb(23, 35, 94)
RGB (0–1)0.0902, 0.1373, 0.3686
RGB percentages9%, 13.7%, 36.9%
HSLhsl(229.9, 60.7%, 22.9%)
HSV / HSBhsv(229.9, 75.5%, 36.9%)
CMYK75.5%, 62.8%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,516,382
CSS custom property--colour: #17235E;

Brightness & contrast

Relative luminance0.02192WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.6:1
Contrast with white14.6:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#E8DCA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002C60no red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#00265Dno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#00323Cno blue cones; rare, and affects men and women equally; ΔE 38.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.6:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.5Midnight blue · ΔE 19.1Rebecca purple · ΔE 31.9Indigo · ΔE 38.1Slate blue · ΔE 40.2Navy · ΔE 41.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E5217
Analogous#17465E, #2F175E
Triadic#5E1723, #235E17
Split complementary#5E2F17, #475E17
Tetradic#5E1746, #5E5217, #175E2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#677BDA
Lighter +30%#3E57D0
Lighter +20%#2B42B0
Lighter +10%#213287
Darker −10%#0D1435
Darker −20%#03040C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#08196D
Less saturated −25%#262D4F

Channel breakdown

R23
G35
B94
Red23 (9%)
Green35 (13.7%)
Blue94 (36.9%)
Hue229.86°
Saturation (HSL)60.68%
Lightness22.94%
Dominant channelBlue
Hex per channelR 17 · G 23 · B 5E

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Every value on this page was computed from “17235e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.