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Recognised as Colour

#210A4B

  • #210A4B
  • Violet
  • Dark
  • Nearest: Midnight blue

#210A4B is a violet with RGB values 33, 10, 75 and HSL 261°, 76%, 17%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#210A4B#210A4B
HEX#210A4B
RGBrgb(33, 10, 75)
RGB (0–1)0.1294, 0.0392, 0.2941
RGB percentages12.9%, 3.9%, 29.4%
HSLhsl(261.2, 76.5%, 16.7%)
HSV / HSBhsv(261.2, 86.7%, 29.4%)
CMYK56%, 86.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,165,323
CSS custom property--colour: #210A4B;

Brightness & contrast

Relative luminance0.01048WCAG 2.x, 0 is black and 1 is white
Perceived brightness32 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.36:1
Contrast with white17.36:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#DEF5B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001B4Dno red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#00194Ano green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#131D2Ano blue cones; rare, and affects men and women equally; ΔE 38.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.36:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 15.9Dark slateblue · ΔE 22.6Rebecca purple · ΔE 29.9Indigo · ΔE 31.2Navy · ΔE 35Purple · ΔE 36.5
Nearest named CSS colourMidnight blue (#191970)ΔE 15.87, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#344B0A
Analogous#0A134B, #420A4B
Triadic#4B210A, #0A4B21
Split complementary#4B420A, #134B0A
Tetradic#4B0A13, #344B0A, #0A4B42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#783CE5
Lighter +30%#5C1CD2
Lighter +20%#4916A5
Lighter +10%#351078
Darker −10%#0D041E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E0055
Less saturated −25%#241540

Channel breakdown

R33
G10
B75
Red33 (12.9%)
Green10 (3.9%)
Blue75 (29.4%)
Hue261.23°
Saturation (HSL)76.47%
Lightness16.67%
Dominant channelBlue
Hex per channelR 21 · G 0A · B 4B

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Every value on this page was computed from “210a4b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.