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Recognised as Colour

#2D3F7C

  • #2D3F7C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D3F7C is a blue with RGB values 45, 63, 124 and HSL 226°, 47%, 33%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D3F7C#2D3F7C
HEX#2D3F7C
RGBrgb(45, 63, 124)
RGB (0–1)0.1765, 0.2471, 0.4863
RGB percentages17.6%, 24.7%, 48.6%
HSLhsl(226.3, 46.7%, 33.1%)
HSV / HSBhsv(226.3, 63.7%, 48.6%)
CMYK63.7%, 49.2%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,965,372
CSS custom property--colour: #2D3F7C;

Brightness & contrast

Relative luminance0.05568WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.94:1
Contrast with white9.94:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#D2C083

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#21467Eno red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#133F7Bno green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#004D57no blue cones; rare, and affects men and women equally; ΔE 39.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.94:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.8Midnight blue · ΔE 25.4Steel blue · ΔE 30.3Rebecca purple · ΔE 31.4Slate blue · ΔE 35.1Cornflower blue · ΔE 36.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C6A2D
Analogous#2D677C, #422D7C
Triadic#7C2D3F, #3F7C2D
Split complementary#7C422D, #677C2D
Tetradic#7C2D67, #7C6A2D, #2D7C42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AA9DB
Lighter +30%#7589CD
Lighter +20%#5069BF
Lighter +10%#3B52A1
Darker −10%#1F2C57
Darker −20%#121931
Darker −30%#04060C
Darker −40%#000000
More saturated +25%#183491
Less saturated −25%#424A67

Channel breakdown

R45
G63
B124
Red45 (17.6%)
Green63 (24.7%)
Blue124 (48.6%)
Hue226.33°
Saturation (HSL)46.75%
Lightness33.14%
Dominant channelBlue
Hex per channelR 2D · G 3F · B 7C

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Every value on this page was computed from “2d3f7c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.