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Colour

#2D406E

  • #2D406E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2D406E is a blue with RGB values 45, 64, 110 and HSL 222°, 42%, 30%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2D406E#2D406E
HEX#2D406E
RGBrgb(45, 64, 110)
RGB (0–1)0.1765, 0.251, 0.4314
RGB percentages17.6%, 25.1%, 43.1%
HSLhsl(222.5, 41.9%, 30.4%)
HSV / HSBhsv(222.5, 59.1%, 43.1%)
CMYK59.1%, 41.8%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,965,614
CSS custom property--colour: #2D406E;

Brightness & contrast

Relative luminance0.0535WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.14:1
Contrast with white10.14:1WCAG normal text: AAA
Contrast with black2.07:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#D2BF91

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D4570no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#253F6Dno green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#044A51no blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.14:1WCAG large text: AAA
Contrast with black, large text2.07:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.8Steel blue · ΔE 27.6Dark slate grey · ΔE 32.1Slate grey · ΔE 32.7Midnight blue · ΔE 33.8Dim grey · ΔE 34.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E5B2D
Analogous#2D616E, #3B2D6E
Triadic#6E2D40, #406E2D
Split complementary#6E3B2D, #616E2D
Tetradic#6E2D61, #6E5B2D, #2D6E3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94A6D3
Lighter +30%#7088C4
Lighter +20%#4B6AB6
Lighter +10%#3C5592
Darker −10%#1E2B4A
Darker −20%#0F1626
Darker −30%#010101
Darker −40%#000000
More saturated +25%#1A3881
Less saturated −25%#40485B

Channel breakdown

R45
G64
B110
Red45 (17.6%)
Green64 (25.1%)
Blue110 (43.1%)
Hue222.46°
Saturation (HSL)41.94%
Lightness30.39%
Dominant channelBlue
Hex per channelR 2D · G 40 · B 6E

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Every value on this page was computed from “2d406e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.