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Colour

#2B01AC

  • #2B01AC
  • Blue
  • Dark
  • Nearest: Dark blue

#2B01AC is a blue with RGB values 43, 1, 172 and HSL 255°, 99%, 34%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2B01AC#2B01AC
HEX#2B01AC
RGBrgb(43, 1, 172)
RGB (0–1)0.1686, 0.0039, 0.6745
RGB percentages16.9%, 0.4%, 67.5%
HSLhsl(254.7, 98.8%, 33.9%)
HSV / HSBhsv(254.7, 99.4%, 67.5%)
CMYK75%, 99.4%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,818,476
CSS custom property--colour: #2B01AC;

Brightness & contrast

Relative luminance0.03514WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.33:1
Contrast with white12.33:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#D4FE53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003BB0no red cones; affects about 1% of men; ΔE 30 from the original
Deuteranopia#002DAAno green cones; the most common form, about 1% of men; ΔE 21.9 from the original
Tritanopia#004563no blue cones; rare, and affects men and women equally; ΔE 85.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.33:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.1Medium blue · ΔE 16.9Navy · ΔE 19.2Blue violet · ΔE 22.8Indigo · ΔE 24.8Dark violet · ΔE 25.2
Nearest named CSS colourDark blue (#00008B)ΔE 14.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#82AC01
Analogous#012DAC, #8001AC
Triadic#AC2B01, #01AC2B
Split complementary#AC8001, #2DAC01
Tetradic#AC012D, #82AC01, #01AC80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9B7BFE
Lighter +30%#7548FE
Lighter +20%#4E15FE
Lighter +10%#3801DF
Darker −10%#1E0179
Darker −20%#120047
Darker −30%#050014
Darker −40%#000000
More saturated +25%#2A00AD
Less saturated −25%#361796

Channel breakdown

R43
G1
B172
Red43 (16.9%)
Green1 (0.4%)
Blue172 (67.5%)
Hue254.74°
Saturation (HSL)98.84%
Lightness33.92%
Dominant channelBlue
Hex per channelR 2B · G 01 · B AC

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Every value on this page was computed from “2b01ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.