Recognised as Colour

#210B31

#210B31
Violet
Dark
Nearest: Black

#210B31 is a violet with RGB values 33, 11, 49 and HSL 275°, 63%, 12%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#210B31#210B31

HEX#210B31

RGBrgb(33, 11, 49)

RGB (0–1)0.1294, 0.0431, 0.1922

RGB percentages12.9%, 4.3%, 19.2%

HSLhsl(274.7, 63.3%, 11.8%)

HSV / HSBhsv(274.7, 77.6%, 19.2%)

CMYK32.7%, 77.6%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,165,553

CSS custom property--colour: #210B31;

Brightness & contrast

Relative luminance0.00784WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.15:1

Contrast with white18.15:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#DEF4CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001532no red cones; affects about 1% of men; ΔE 15.4 from the original

Deuteranopia#051630no green cones; the most common form, about 1% of men; ΔE 15.9 from the original

Tritanopia#1F131Cno blue cones; rare, and affects men and women equally; ΔE 20.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.15:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 29.6 Midnight blue · ΔE 32.5 Dark slateblue · ΔE 32.6 Dark slate grey · ΔE 43.3 Rebecca purple · ΔE 43.5 Dim grey · ΔE 47.1

Nearest named CSS colourBlack (#000000)ΔE 29.59, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1B310B

Analogous#0E0B31, #310B2E

Triadic#31210B, #0B3121

Split complementary#2E310B, #0B310E

Tetradic#310E0B, #1B310B, #0B2E31

Tints, shades & saturation

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

Lighter +40%#9036D2

Lighter +30%#7527AE

Lighter +20%#591E84

Lighter +10%#3D145B

Darker −10%#050207

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#220438

Less saturated −25%#201229

Channel breakdown

R33

G11

B49

Red33 (12.9%)

Green11 (4.3%)

Blue49 (19.2%)

Hue274.74°

Saturation (HSL)63.33%

Lightness11.76%

Dominant channelBlue

Hex per channelR 21 · G 0B · B 31

Keep nerding

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

#210B31

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

Nerdulate something else