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Recognised as Colour

#2D359B

  • #2D359B
  • Blue
  • Dark
  • Nearest: Midnight blue

#2D359B is a blue with RGB values 45, 53, 155 and HSL 236°, 55%, 39%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2D359B#2D359B
HEX#2D359B
RGBrgb(45, 53, 155)
RGB (0–1)0.1765, 0.2078, 0.6078
RGB percentages17.6%, 20.8%, 60.8%
HSLhsl(235.6, 55%, 39.2%)
HSV / HSBhsv(235.6, 71%, 60.8%)
CMYK71%, 65.8%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,962,843
CSS custom property--colour: #2D359B;

Brightness & contrast

Relative luminance0.05471WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.03:1
Contrast with white10.03:1WCAG normal text: AAA
Contrast with black2.09:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#D2CA64

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00479Eno red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#003D99no green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#005063no blue cones; rare, and affects men and women equally; ΔE 60.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.03:1WCAG large text: AAA
Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14Rebecca purple · ΔE 15.3Dark slateblue · ΔE 15.8Slate blue · ΔE 17.9Indigo · ΔE 21.6Royal blue · ΔE 22.3
Nearest named CSS colourMidnight blue (#191970)ΔE 14.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B932D
Analogous#2D6C9B, #5C2D9B
Triadic#9B2D35, #359B2D
Split complementary#9B5C2D, #6C9B2D
Tetradic#9B2D6C, #9B932D, #2D9B5C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADB1E7
Lighter +30%#858CDC
Lighter +20%#5E66D0
Lighter +10%#3843C3
Darker −10%#222773
Darker −20%#161A4C
Darker −30%#0B0C24
Darker −40%#000000
More saturated +25%#1420B4
Less saturated −25%#464A82

Channel breakdown

R45
G53
B155
Red45 (17.6%)
Green53 (20.8%)
Blue155 (60.8%)
Hue235.64°
Saturation (HSL)55%
Lightness39.22%
Dominant channelBlue
Hex per channelR 2D · G 35 · B 9B

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Every value on this page was computed from “2d359b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.