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Recognised as Colour

#2B266B

  • #2B266B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2B266B is a blue with RGB values 43, 38, 107 and HSL 244°, 48%, 28%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2B266B#2B266B
HEX#2B266B
RGBrgb(43, 38, 107)
RGB (0–1)0.1686, 0.149, 0.4196
RGB percentages16.9%, 14.9%, 42%
HSLhsl(244.3, 47.6%, 28.4%)
HSV / HSBhsv(244.3, 64.5%, 42%)
CMYK59.8%, 64.5%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,827,883
CSS custom property--colour: #2B266B;

Brightness & contrast

Relative luminance0.02961WCAG 2.x, 0 is black and 1 is white
Perceived brightness52 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.19:1
Contrast with white13.19:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#D4D994

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00336Dno red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#002D6Ano green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#083744no blue cones; rare, and affects men and women equally; ΔE 43.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.19:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.4Midnight blue · ΔE 13.2Rebecca purple · ΔE 24.1Indigo · ΔE 30.8Slate blue · ΔE 33.5Navy · ΔE 35
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#666B26
Analogous#26446B, #4D266B
Triadic#6B2B26, #266B2B
Split complementary#6B4D26, #446B26
Tetradic#6B2644, #666B26, #266B4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8E88D5
Lighter +30%#6A63C7
Lighter +20%#4941B6
Lighter +10%#3A3391
Darker −10%#1C1945
Darker −20%#0D0B20
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C147D
Less saturated −25%#3A3859

Channel breakdown

R43
G38
B107
Red43 (16.9%)
Green38 (14.9%)
Blue107 (42%)
Hue244.35°
Saturation (HSL)47.59%
Lightness28.43%
Dominant channelBlue
Hex per channelR 2B · G 26 · B 6B

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Every value on this page was computed from “2b266b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.