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Recognised as Colour

#180E2A

  • #180E2A
  • Violet
  • Dark
  • Nearest: Black

#180E2A is a violet with RGB values 24, 14, 42 and HSL 261°, 50%, 11%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#180E2A#180E2A
HEX#180E2A
RGBrgb(24, 14, 42)
RGB (0–1)0.0941, 0.0549, 0.1647
RGB percentages9.4%, 5.5%, 16.5%
HSLhsl(261.4, 50%, 11%)
HSV / HSBhsv(261.4, 66.7%, 16.5%)
CMYK42.9%, 66.7%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,576,490
CSS custom property--colour: #180E2A;

Brightness & contrast

Relative luminance0.00675WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.5:1
Contrast with white18.5:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#E7F1D5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#04142Bno red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#061329no green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#14141Ano blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.5:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 21.9Dark slate grey · ΔE 37.3Dark slateblue · ΔE 37.8Midnight blue · ΔE 39.1Dim grey · ΔE 43.7Slate grey · ΔE 49.4
Nearest named CSS colourBlack (#000000)ΔE 21.92, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#202A0E
Analogous#0E122A, #260E2A
Triadic#2A180E, #0E2A18
Split complementary#2A260E, #122A0E
Tetradic#2A0E12, #202A0E, #0E2A26

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7044C1
Lighter +30%#5A349D
Lighter +20%#442877
Lighter +10%#2E1B50
Darker −10%#020104
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#160731
Less saturated −25%#1A1523

Channel breakdown

R24
G14
B42
Red24 (9.4%)
Green14 (5.5%)
Blue42 (16.5%)
Hue261.43°
Saturation (HSL)50%
Lightness10.98%
Dominant channelBlue
Hex per channelR 18 · G 0E · B 2A

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Every value on this page was computed from “180e2a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.