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Recognised as Colour

#1D0B3F

  • #1D0B3F
  • Violet
  • Dark
  • Nearest: Midnight blue

#1D0B3F is a violet with RGB values 29, 11, 63 and HSL 261°, 70%, 15%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1D0B3F#1D0B3F
HEX#1D0B3F
RGBrgb(29, 11, 63)
RGB (0–1)0.1137, 0.0431, 0.2471
RGB percentages11.4%, 4.3%, 24.7%
HSLhsl(260.8, 70.3%, 14.5%)
HSV / HSBhsv(260.8, 82.5%, 24.7%)
CMYK54%, 82.5%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,903,423
CSS custom property--colour: #1D0B3F;

Brightness & contrast

Relative luminance0.00859WCAG 2.x, 0 is black and 1 is white
Perceived brightness27.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.92:1
Contrast with white17.92:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#E2F4C0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001841no red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#00163Eno green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#131924no blue cones; rare, and affects men and women equally; ΔE 31.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.92:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 23Dark slateblue · ΔE 26.3Rebecca purple · ΔE 36.2Black · ΔE 38.7Indigo · ΔE 38.9Purple · ΔE 42.2
Nearest named CSS colourMidnight blue (#191970)ΔE 23, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D3F0B
Analogous#0B133F, #370B3F
Triadic#3F1D0B, #0B3F1D
Split complementary#3F370B, #133F0B
Tetradic#3F0B13, #2D3F0B, #0B3F37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7239DD
Lighter +30%#5922C1
Lighter +20%#451A96
Lighter +10%#31136A
Darker −10%#090314
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A0248
Less saturated −25%#201436

Channel breakdown

R29
G11
B63
Red29 (11.4%)
Green11 (4.3%)
Blue63 (24.7%)
Hue260.77°
Saturation (HSL)70.27%
Lightness14.51%
Dominant channelBlue
Hex per channelR 1D · G 0B · B 3F

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Every value on this page was computed from “1d0b3f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.