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Recognised as Colour

#1B041F

  • #1B041F
  • Magenta
  • Dark
  • Nearest: Black

#1B041F is a magenta with RGB values 27, 4, 31 and HSL 291°, 77%, 7%. It is a dark colour, so white text on it reaches 19.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B041F#1B041F
HEX#1B041F
RGBrgb(27, 4, 31)
RGB (0–1)0.1059, 0.0157, 0.1216
RGB percentages10.6%, 1.6%, 12.2%
HSLhsl(291.1, 77.1%, 6.9%)
HSV / HSBhsv(291.1, 87.1%, 12.2%)
CMYK12.9%, 87.1%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,770,527
CSS custom property--colour: #1B041F;

Brightness & contrast

Relative luminance0.00419WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.38:1
Contrast with white19.38:1WCAG normal text: AAA
Contrast with black1.08:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#E4FBE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000C20no red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#060E1Eno green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#1B0810no blue cones; rare, and affects men and women equally; ΔE 12.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.38:1WCAG large text: AAA
Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 18.9Dark slate grey · ΔE 38.6Dark slateblue · ΔE 42.1Midnight blue · ΔE 43.2Dim grey · ΔE 44.7Slate grey · ΔE 51.7
Nearest named CSS colourBlack (#000000)ΔE 18.94, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#081F04
Analogous#0D041F, #1F0416
Triadic#1F1B04, #041F1B
Split complementary#151F04, #041F0E
Tetradic#1F0E04, #081F04, #04161F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B81BD4
Lighter +30%#9115A7
Lighter +20%#6A1079
Lighter +10%#420A4C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E0023
Less saturated −25%#18081B

Channel breakdown

R27
G4
B31
Red27 (10.6%)
Green4 (1.6%)
Blue31 (12.2%)
Hue291.11°
Saturation (HSL)77.14%
Lightness6.86%
Dominant channelBlue
Hex per channelR 1B · G 04 · B 1F

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Every value on this page was computed from “1b041f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.