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Colour

#2D4B73

  • #2D4B73
  • Blue
  • Dark
  • Nearest: Steel blue

#2D4B73 is a blue with RGB values 45, 75, 115 and HSL 214°, 44%, 31%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#2D4B73#2D4B73
HEX#2D4B73
RGBrgb(45, 75, 115)
RGB (0–1)0.1765, 0.2941, 0.451
RGB percentages17.6%, 29.4%, 45.1%
HSLhsl(214.3, 43.8%, 31.4%)
HSV / HSBhsv(214.3, 60.9%, 45.1%)
CMYK60.9%, 34.8%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,968,435
CSS custom property--colour: #2D4B73;

Brightness & contrast

Relative luminance0.06828WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.88:1
Contrast with white8.88:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#D2B48C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A4E75no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#314772no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#005459no blue cones; rare, and affects men and women equally; ΔE 27.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.88:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Steel blue · ΔE 22.7Dark slate grey · ΔE 26.5Slate grey · ΔE 26.9Dark slateblue · ΔE 28.7Light slate grey · ΔE 29.2Dim grey · ΔE 29.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 22.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#73552D
Analogous#2D6E73, #322D73
Triadic#732D4B, #4B732D
Split complementary#73322D, #6E732D
Tetradic#732D6E, #73552D, #2D7332

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96B1D6
Lighter +30%#7196C8
Lighter +20%#4D7BB9
Lighter +10%#3B6398
Darker −10%#1F334E
Darker −20%#101B2A
Darker −30%#020305
Darker −40%#000000
More saturated +25%#194887
Less saturated −25%#414E5F

Channel breakdown

R45
G75
B115
Red45 (17.6%)
Green75 (29.4%)
Blue115 (45.1%)
Hue214.29°
Saturation (HSL)43.75%
Lightness31.37%
Dominant channelBlue
Hex per channelR 2D · G 4B · B 73

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Every value on this page was computed from “2d4b73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.