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Colour

#2B42BD

  • #2B42BD
  • Blue
  • Dark
  • Nearest: Slate blue

#2B42BD is a blue with RGB values 43, 66, 189 and HSL 231°, 63%, 45%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2B42BD#2B42BD
HEX#2B42BD
RGBrgb(43, 66, 189)
RGB (0–1)0.1686, 0.2588, 0.7412
RGB percentages16.9%, 25.9%, 74.1%
HSLhsl(230.5, 62.9%, 45.5%)
HSV / HSBhsv(230.5, 77.2%, 74.1%)
CMYK77.2%, 65.1%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,835,133
CSS custom property--colour: #2B42BD;

Brightness & contrast

Relative luminance0.08084WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.02:1
Contrast with white8.02:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#D4BD42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057C1no red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#0049BBno green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#006379no blue cones; rare, and affects men and women equally; ΔE 70.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.02:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Slate blue · ΔE 14.4Royal blue · ΔE 16.6Medium slateblue · ΔE 18.9Rebecca purple · ΔE 21.1Navy · ΔE 24.4Dark blue · ΔE 24.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 14.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDA62B
Analogous#2B8BBD, #5D2BBD
Triadic#BD2B42, #42BD2B
Split complementary#BD5D2B, #8BBD2B
Tetradic#BD2B8B, #BDA62B, #2BBD5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3CAF1
Lighter +30%#99A6E8
Lighter +20%#7081DE
Lighter +10%#465DD5
Darker −10%#223393
Darker −20%#18256A
Darker −30%#0F1640
Darker −40%#050817
More saturated +25%#0E2EDA
Less saturated −25%#4856A0

Channel breakdown

R43
G66
B189
Red43 (16.9%)
Green66 (25.9%)
Blue189 (74.1%)
Hue230.55°
Saturation (HSL)62.93%
Lightness45.49%
Dominant channelBlue
Hex per channelR 2B · G 42 · B BD

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Every value on this page was computed from “2b42bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.