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Colour

#2B2B85

  • #2B2B85
  • Blue
  • Dark
  • Nearest: Midnight blue

#2B2B85 is a blue with RGB values 43, 43, 133 and HSL 240°, 51%, 35%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B2B85#2B2B85
HEX#2B2B85
RGBrgb(43, 43, 133)
RGB (0–1)0.1686, 0.1686, 0.5216
RGB percentages16.9%, 16.9%, 52.2%
HSLhsl(240, 51.1%, 34.5%)
HSV / HSBhsv(240, 67.7%, 52.2%)
CMYK67.7%, 67.7%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,829,189
CSS custom property--colour: #2B2B85;

Brightness & contrast

Relative luminance0.03935WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.75:1
Contrast with white11.75:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#D4D47A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003C88no red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#003483no green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#004254no blue cones; rare, and affects men and women equally; ΔE 53.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.75:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.8Dark slateblue · ΔE 11.8Rebecca purple · ΔE 16.3Indigo · ΔE 22Slate blue · ΔE 23.8Navy · ΔE 24.9
Nearest named CSS colourMidnight blue (#191970)ΔE 7.82, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#85852B
Analogous#2B5885, #582B85
Triadic#852B2B, #2B852B
Split complementary#85582B, #58852B
Tetradic#852B58, #85852B, #2B8558

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9D9DDF
Lighter +30%#7676D3
Lighter +20%#5050C6
Lighter +10%#3737AC
Darker −10%#1F1F5E
Darker −20%#121238
Darker −30%#060611
Darker −40%#000000
More saturated +25%#15159B
Less saturated −25%#41416F

Channel breakdown

R43
G43
B133
Red43 (16.9%)
Green43 (16.9%)
Blue133 (52.2%)
Hue240°
Saturation (HSL)51.14%
Lightness34.51%
Dominant channelBlue
Hex per channelR 2B · G 2B · B 85

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Every value on this page was computed from “2b2b85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.