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Recognised as Colour

#1B014D

  • #1B014D
  • Violet
  • Dark
  • Nearest: Midnight blue

#1B014D is a violet with RGB values 27, 1, 77 and HSL 261°, 97%, 15%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1B014D#1B014D
HEX#1B014D
RGBrgb(27, 1, 77)
RGB (0–1)0.1059, 0.0039, 0.302
RGB percentages10.6%, 0.4%, 30.2%
HSLhsl(260.5, 97.4%, 15.3%)
HSV / HSBhsv(260.5, 98.7%, 30.2%)
CMYK64.9%, 98.7%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,769,805
CSS custom property--colour: #1B014D;

Brightness & contrast

Relative luminance0.00791WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.13:1
Contrast with white18.13:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#E4FEB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00184Fno red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#00144Cno green cones; the most common form, about 1% of men; ΔE 15.8 from the original
Tritanopia#021A2Ano blue cones; rare, and affects men and women equally; ΔE 45 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.13:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.7Dark slateblue · ΔE 24.9Indigo · ΔE 25.9Rebecca purple · ΔE 28.2Navy · ΔE 28.5Dark blue · ΔE 33.7
Nearest named CSS colourMidnight blue (#191970)ΔE 12.71, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#334D01
Analogous#010D4D, #41014D
Triadic#4D1B01, #014D1B
Split complementary#4D4101, #0D4D01
Tetradic#4D010D, #334D01, #014D41

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6A1EFC
Lighter +30%#5003E4
Lighter +20%#3E02B2
Lighter +10%#2D027F
Darker −10%#09001B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B004E
Less saturated −25%#1E0B43

Channel breakdown

R27
G1
B77
Red27 (10.6%)
Green1 (0.4%)
Blue77 (30.2%)
Hue260.53°
Saturation (HSL)97.44%
Lightness15.29%
Dominant channelBlue
Hex per channelR 1B · G 01 · B 4D

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Every value on this page was computed from “1b014d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.