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Colour

#2B2865

  • #2B2865
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2B2865 is a blue with RGB values 43, 40, 101 and HSL 243°, 43%, 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

#2B2865#2B2865
HEX#2B2865
RGBrgb(43, 40, 101)
RGB (0–1)0.1686, 0.1569, 0.3961
RGB percentages16.9%, 15.7%, 39.6%
HSLhsl(243, 43.3%, 27.6%)
HSV / HSBhsv(243, 60.4%, 39.6%)
CMYK57.4%, 60.4%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,828,389
CSS custom property--colour: #2B2865;

Brightness & contrast

Relative luminance0.02971WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.17:1
Contrast with white13.17:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#D4D79A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003267no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#002E64no green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#113642no blue cones; rare, and affects men and women equally; ΔE 38 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.17:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.8Midnight blue · ΔE 18.3Rebecca purple · ΔE 28.3Indigo · ΔE 35.8Slate blue · ΔE 37.1Purple · ΔE 39.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#626528
Analogous#284365, #4A2865
Triadic#652B28, #28652B
Split complementary#654A28, #436528
Tetradic#652843, #626528, #28654A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8C89D0
Lighter +30%#6964C2
Lighter +20%#4A45AE
Lighter +10%#3B368A
Darker −10%#1B1A40
Darker −20%#0C0B1C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B1677
Less saturated −25%#3B3A53

Channel breakdown

R43
G40
B101
Red43 (16.9%)
Green40 (15.7%)
Blue101 (39.6%)
Hue242.95°
Saturation (HSL)43.26%
Lightness27.65%
Dominant channelBlue
Hex per channelR 2B · G 28 · B 65

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Every value on this page was computed from “2b2865” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.