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Recognised as Colour

#170C30

  • #170C30
  • Violet
  • Dark
  • Nearest: Black

#170C30 is a violet with RGB values 23, 12, 48 and HSL 258°, 60%, 12%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#170C30#170C30
HEX#170C30
RGBrgb(23, 12, 48)
RGB (0–1)0.0902, 0.0471, 0.1882
RGB percentages9%, 4.7%, 18.8%
HSLhsl(258.3, 60%, 11.8%)
HSV / HSBhsv(258.3, 75%, 18.8%)
CMYK52.1%, 75%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,510,448
CSS custom property--colour: #170C30;

Brightness & contrast

Relative luminance0.00659WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.56:1
Contrast with white18.56:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#E8F3CF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001431no red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#00122Fno green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#10141Cno blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.56:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 27.4Midnight blue · ΔE 33.7Dark slateblue · ΔE 33.8Dark slate grey · ΔE 41.4Rebecca purple · ΔE 46Dim grey · ΔE 46.8
Nearest named CSS colourBlack (#000000)ΔE 27.37, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#25300C
Analogous#0C1330, #290C30
Triadic#30170C, #0C3017
Split complementary#30290C, #13300C
Tetradic#300C13, #25300C, #0C3029

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#673ACE
Lighter +30%#522BAA
Lighter +20%#3E2082
Lighter +10%#2B1659
Darker −10%#030207
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#140537
Less saturated −25%#1A1428

Channel breakdown

R23
G12
B48
Red23 (9%)
Green12 (4.7%)
Blue48 (18.8%)
Hue258.33°
Saturation (HSL)60%
Lightness11.76%
Dominant channelBlue
Hex per channelR 17 · G 0C · B 30

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Every value on this page was computed from “170c30” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.