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Colour

#2D3BA3

  • #2D3BA3
  • Blue
  • Dark
  • Nearest: Slate blue

#2D3BA3 is a blue with RGB values 45, 59, 163 and HSL 233°, 57%, 41%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2D3BA3#2D3BA3
HEX#2D3BA3
RGBrgb(45, 59, 163)
RGB (0–1)0.1765, 0.2314, 0.6392
RGB percentages17.6%, 23.1%, 63.9%
HSLhsl(232.9, 56.7%, 40.8%)
HSV / HSBhsv(232.9, 72.4%, 63.9%)
CMYK72.4%, 63.8%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,964,387
CSS custom property--colour: #2D3BA3;

Brightness & contrast

Relative luminance0.0633WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.27:1
Contrast with white9.27:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#D2C45C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DA6no red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#0042A1no green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#005669no blue cones; rare, and affects men and women equally; ΔE 61.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.27:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16Rebecca purple · ΔE 16.3Dark slateblue · ΔE 16.4Midnight blue · ΔE 16.6Royal blue · ΔE 19.6Indigo · ΔE 23.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A3952D
Analogous#2D76A3, #5A2DA3
Triadic#A32D3B, #3BA32D
Split complementary#A35A2D, #76A32D
Tetradic#A32D76, #A3952D, #2DA35A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2B9EA
Lighter +30%#8A94DF
Lighter +20%#6270D4
Lighter +10%#3A4BC9
Darker −10%#222D7B
Darker −20%#171E53
Darker −30%#0C102B
Darker −40%#010103
More saturated +25%#1327BD
Less saturated −25%#474F89

Channel breakdown

R45
G59
B163
Red45 (17.6%)
Green59 (23.1%)
Blue163 (63.9%)
Hue232.88°
Saturation (HSL)56.73%
Lightness40.78%
Dominant channelBlue
Hex per channelR 2D · G 3B · B A3

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Every value on this page was computed from “2d3ba3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.