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Recognised as Colour

#290A37

  • #290A37
  • Violet
  • Dark
  • Nearest: Midnight blue

#290A37 is a violet with RGB values 41, 10, 55 and HSL 281°, 69%, 13%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#290A37#290A37
HEX#290A37
RGBrgb(41, 10, 55)
RGB (0–1)0.1608, 0.0392, 0.2157
RGB percentages16.1%, 3.9%, 21.6%
HSLhsl(281.3, 69.2%, 12.7%)
HSV / HSBhsv(281.3, 81.8%, 21.6%)
CMYK25.5%, 81.8%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,689,591
CSS custom property--colour: #290A37;

Brightness & contrast

Relative luminance0.00964WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.6:1
Contrast with white17.6:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#D6F5C8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001738no red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#071A36no green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#28131Fno blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.6:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 29.1Dark slateblue · ΔE 29.7Black · ΔE 34.3Rebecca purple · ΔE 39.2Purple · ΔE 42.7Indigo · ΔE 42.8
Nearest named CSS colourMidnight blue (#191970)ΔE 29.1, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#18370A
Analogous#130A37, #370A2E
Triadic#37290A, #0A3729
Split complementary#2E370A, #0A3713
Tetradic#37130A, #18370A, #0A2E37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A633DA
Lighter +30%#8A22B8
Lighter +20%#691A8D
Lighter +10%#491262
Darker −10%#09020C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2C023F
Less saturated −25%#26122F

Channel breakdown

R41
G10
B55
Red41 (16.1%)
Green10 (3.9%)
Blue55 (21.6%)
Hue281.33°
Saturation (HSL)69.23%
Lightness12.75%
Dominant channelBlue
Hex per channelR 29 · G 0A · B 37

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Every value on this page was computed from “290a37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.