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Recognised as Colour

#290DB2

  • #290DB2
  • Blue
  • Dark
  • Nearest: Dark blue

#290DB2 is a blue with RGB values 41, 13, 178 and HSL 250°, 86%, 37%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#290DB2#290DB2
HEX#290DB2
RGBrgb(41, 13, 178)
RGB (0–1)0.1608, 0.051, 0.698
RGB percentages16.1%, 5.1%, 69.8%
HSLhsl(250.2, 86.4%, 37.5%)
HSV / HSBhsv(250.2, 92.7%, 69.8%)
CMYK77%, 92.7%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,690,482
CSS custom property--colour: #290DB2;

Brightness & contrast

Relative luminance0.03974WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.7:1
Contrast with white11.7:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#D6F24D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003FB6no red cones; affects about 1% of men; ΔE 29.1 from the original
Deuteranopia#0030AFno green cones; the most common form, about 1% of men; ΔE 20.6 from the original
Tritanopia#004A68no blue cones; rare, and affects men and women equally; ΔE 85.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.7:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.8Medium blue · ΔE 16.5Navy · ΔE 19.9Blue violet · ΔE 22.2Dark violet · ΔE 25.4Indigo · ΔE 25.5
Nearest named CSS colourDark blue (#00008B)ΔE 14.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#96B20D
Analogous#0D43B2, #7C0DB2
Triadic#B2290D, #0DB229
Split complementary#B27C0D, #44B20D
Tetradic#B20D43, #96B20D, #0DB27C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A594F7
Lighter +30%#7D64F4
Lighter +20%#5535F0
Lighter +10%#3410E2
Darker −10%#1E0A82
Darker −20%#130653
Darker −30%#080323
Darker −40%#000000
More saturated +25%#2000BF
Less saturated −25%#39259A

Channel breakdown

R41
G13
B178
Red41 (16.1%)
Green13 (5.1%)
Blue178 (69.8%)
Hue250.18°
Saturation (HSL)86.39%
Lightness37.45%
Dominant channelBlue
Hex per channelR 29 · G 0D · B B2

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Every value on this page was computed from “290db2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.