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Recognised as Colour

#1B021F

  • #1B021F
  • Magenta
  • Dark
  • Nearest: Black

#1B021F is a magenta with RGB values 27, 2, 31 and HSL 292°, 88%, 6%. It is a dark colour, so white text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B021F#1B021F
HEX#1B021F
RGBrgb(27, 2, 31)
RGB (0–1)0.1059, 0.0078, 0.1216
RGB percentages10.6%, 0.8%, 12.2%
HSLhsl(291.7, 87.9%, 6.5%)
HSV / HSBhsv(291.7, 93.5%, 12.2%)
CMYK12.9%, 93.5%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,770,015
CSS custom property--colour: #1B021F;

Brightness & contrast

Relative luminance0.00375WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.53:1
Contrast with white19.53:1WCAG normal text: AAA
Contrast with black1.08:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#E4FDE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000A20no red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#050D1Eno green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#1B060Fno blue cones; rare, and affects men and women equally; ΔE 13 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.53:1WCAG large text: AAA
Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 19.8Dark slate grey · ΔE 39.6Dark slateblue · ΔE 41.8Midnight blue · ΔE 42.5Dim grey · ΔE 45.4Slate grey · ΔE 52.3
Nearest named CSS colourBlack (#000000)ΔE 19.84, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#061F02
Analogous#0C021F, #1F0215
Triadic#1F1B02, #021F1B
Split complementary#141F02, #021F0C
Tetradic#1F0C02, #061F02, #02151F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C20EDF
Lighter +30%#980BAF
Lighter +20%#6E087F
Lighter +10%#45054F
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C0021
Less saturated −25%#18061B

Channel breakdown

R27
G2
B31
Red27 (10.6%)
Green2 (0.8%)
Blue31 (12.2%)
Hue291.72°
Saturation (HSL)87.88%
Lightness6.47%
Dominant channelBlue
Hex per channelR 1B · G 02 · B 1F

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Every value on this page was computed from “1b021f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.