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Recognised as Colour

#1B022E

  • #1B022E
  • Violet
  • Dark
  • Nearest: Midnight blue

#1B022E is a violet with RGB values 27, 2, 46 and HSL 274°, 92%, 9%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1B022E#1B022E
HEX#1B022E
RGBrgb(27, 2, 46)
RGB (0–1)0.1059, 0.0078, 0.1804
RGB percentages10.6%, 0.8%, 18%
HSLhsl(274.1, 91.7%, 9.4%)
HSV / HSBhsv(274.1, 95.7%, 18%)
CMYK41.3%, 95.7%, 0%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,770,030
CSS custom property--colour: #1B022E;

Brightness & contrast

Relative luminance0.00474WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.18:1
Contrast with white19.18:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#E4FDD1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000E2Fno red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#000F2Dno green cones; the most common form, about 1% of men; ΔE 15.3 from the original
Tritanopia#170C17no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.18:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 31.1Black · ΔE 31.2Dark slateblue · ΔE 33.2Rebecca purple · ΔE 43.5Indigo · ΔE 46.2Dark slate grey · ΔE 46.5
Nearest named CSS colourMidnight blue (#191970)ΔE 31.09, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#152E02
Analogous#05022E, #2E022B
Triadic#2E1B02, #022E1B
Split complementary#2B2E02, #022E05
Tetradic#2E0502, #152E02, #022B2E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8E0BF2
Lighter +30%#7108C1
Lighter +20%#540690
Lighter +10%#38045F
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B0030
Less saturated −25%#1A0828

Channel breakdown

R27
G2
B46
Red27 (10.6%)
Green2 (0.8%)
Blue46 (18%)
Hue274.09°
Saturation (HSL)91.67%
Lightness9.41%
Dominant channelBlue
Hex per channelR 1B · G 02 · B 2E

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Every value on this page was computed from “1b022e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.