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Colour

#2B3682

  • #2B3682
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2B3682 is a blue with RGB values 43, 54, 130 and HSL 232°, 50%, 34%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2B3682#2B3682
HEX#2B3682
RGBrgb(43, 54, 130)
RGB (0–1)0.1686, 0.2118, 0.5098
RGB percentages16.9%, 21.2%, 51%
HSLhsl(232.4, 50.3%, 33.9%)
HSV / HSBhsv(232.4, 66.9%, 51%)
CMYK66.9%, 58.5%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,832,002
CSS custom property--colour: #2B3682;

Brightness & contrast

Relative luminance0.04764WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.75:1
Contrast with white10.75:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#D4C97D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004285no red cones; affects about 1% of men; ΔE 12 from the original
Deuteranopia#003A80no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#004856no blue cones; rare, and affects men and women equally; ΔE 46.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.75:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6.9Midnight blue · ΔE 15.3Rebecca purple · ΔE 22.6Slate blue · ΔE 27.6Royal blue · ΔE 30.6Indigo · ΔE 31.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#82772B
Analogous#2B6282, #4B2B82
Triadic#822B36, #36822B
Split complementary#824B2B, #62822B
Tetradic#822B62, #82772B, #2B824B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BA4DE
Lighter +30%#7580D1
Lighter +20%#4E5DC5
Lighter +10%#3846A8
Darker −10%#1E265C
Darker −20%#121635
Darker −30%#05060F
Darker −40%#000000
More saturated +25%#152698
Less saturated −25%#41466C

Channel breakdown

R43
G54
B130
Red43 (16.9%)
Green54 (21.2%)
Blue130 (51%)
Hue232.41°
Saturation (HSL)50.29%
Lightness33.92%
Dominant channelBlue
Hex per channelR 2B · G 36 · B 82

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Every value on this page was computed from “2b3682” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.