Recognised as Colour

#170B30

#170B30
Violet
Dark
Nearest: Black

#170B30 is a violet with RGB values 23, 11, 48 and HSL 259°, 63%, 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

#170B30#170B30

HEX#170B30

RGBrgb(23, 11, 48)

RGB (0–1)0.0902, 0.0431, 0.1882

RGB percentages9%, 4.3%, 18.8%

HSLhsl(259.5, 62.7%, 11.6%)

HSV / HSBhsv(259.5, 77.1%, 18.8%)

CMYK52.1%, 77.1%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,510,192

CSS custom property--colour: #170B30;

Brightness & contrast

Relative luminance0.00635WCAG 2.x, 0 is black and 1 is white

Perceived brightness22.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.63:1

Contrast with white18.63:1WCAG normal text: AAA

Contrast with black1.13:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#E8F4CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001331no red cones; affects about 1% of men; ΔE 10.6 from the original

Deuteranopia#00122Fno green cones; the most common form, about 1% of men; ΔE 11.1 from the original

Tritanopia#10141Cno blue cones; rare, and affects men and women equally; ΔE 22.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.63:1WCAG large text: AAA

Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 27.9 Midnight blue · ΔE 33.2 Dark slateblue · ΔE 33.6 Dark slate grey · ΔE 42 Rebecca purple · ΔE 45.7 Dim grey · ΔE 47.3

Nearest named CSS colourBlack (#000000)ΔE 27.88, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#24300B

Analogous#0B1130, #2A0B30

Triadic#30170B, #0B3017

Split complementary#302A0B, #11300B

Tetradic#300B11, #24300B, #0B302A

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#6836D1

Lighter +30%#5328AC

Lighter +20%#3F1E83

Lighter +10%#2B1559

Darker −10%#030107

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#140437

Less saturated −25%#1A1229

Channel breakdown

R23

G11

B48

Red23 (9%)

Green11 (4.3%)

Blue48 (18.8%)

Hue259.46°

Saturation (HSL)62.71%

Lightness11.57%

Dominant channelBlue

Hex per channelR 17 · G 0B · B 30

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#170B30

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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