Recognised as Colour

#210B27

#210B27
Violet
Dark
Nearest: Black

#210B27 is a violet with RGB values 33, 11, 39 and HSL 287°, 56%, 10%. It is a dark colour, so white text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#210B27#210B27

HEX#210B27

RGBrgb(33, 11, 39)

RGB (0–1)0.1294, 0.0431, 0.1529

RGB percentages12.9%, 4.3%, 15.3%

HSLhsl(287.1, 56%, 9.8%)

HSV / HSBhsv(287.1, 71.8%, 15.3%)

CMYK15.4%, 71.8%, 0%, 84.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,165,543

CSS custom property--colour: #210B27;

Brightness & contrast

Relative luminance0.00709WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.39:1

Contrast with white18.39:1WCAG normal text: AAA

Contrast with black1.14:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#DEF4D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#061328no red cones; affects about 1% of men; ΔE 14.4 from the original

Deuteranopia#0C1526no green cones; the most common form, about 1% of men; ΔE 14.9 from the original

Tritanopia#210F17no blue cones; rare, and affects men and women equally; ΔE 14.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.39:1WCAG large text: AAA

Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 23 Dark slateblue · ΔE 38.2 Dark slate grey · ΔE 39.3 Midnight blue · ΔE 39.6 Dim grey · ΔE 43.9 Rebecca purple · ΔE 49.6

Nearest named CSS colourBlack (#000000)ΔE 22.98, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#11270B

Analogous#130B27, #270B1F

Triadic#27210B, #0B2721

Split complementary#1F270B, #0B2713

Tetradic#27130B, #11270B, #0B1F27

Tints, shades & saturation

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

Lighter +40%#A838C6

Lighter +30%#862D9E

Lighter +20%#642177

Lighter +10%#43164F

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#25052D

Less saturated −25%#1D1121

Channel breakdown

R33

G11

B39

Red33 (12.9%)

Green11 (4.3%)

Blue39 (15.3%)

Hue287.14°

Saturation (HSL)56%

Lightness9.8%

Dominant channelBlue

Hex per channelR 21 · G 0B · B 27

Keep nerding

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

#210B27

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