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Recognised as Colour

#3D407C

  • #3D407C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3D407C is a blue with RGB values 61, 64, 124 and HSL 237°, 34%, 36%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3D407C#3D407C
HEX#3D407C
RGBrgb(61, 64, 124)
RGB (0–1)0.2392, 0.251, 0.4863
RGB percentages23.9%, 25.1%, 48.6%
HSLhsl(237.1, 34.1%, 36.3%)
HSV / HSBhsv(237.1, 50.8%, 48.6%)
CMYK50.8%, 48.4%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,014,204
CSS custom property--colour: #3D407C;

Brightness & contrast

Relative luminance0.06114WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.45:1
Contrast with white9.45:1WCAG normal text: AAA
Contrast with black2.22:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#C2BF83

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#26487Eno red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#21447Bno green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#254D58no blue cones; rare, and affects men and women equally; ΔE 36 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.45:1WCAG large text: AAA
Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.2Midnight blue · ΔE 25.4Rebecca purple · ΔE 29.4Steel blue · ΔE 30.8Slate blue · ΔE 34.1Medium purple · ΔE 35.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C793D
Analogous#3D607C, #593D7C
Triadic#7C3D40, #407C3D
Split complementary#7C5A3D, #5F7C3D
Tetradic#7C3D60, #7C793D, #3D7C5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEB0D7
Lighter +30%#8C8FC6
Lighter +20%#6A6DB5
Lighter +10%#4E529E
Darker −10%#2C2E5A
Darker −20%#1B1D38
Darker −30%#0B0B15
Darker −40%#000000
More saturated +25%#262B93
Less saturated −25%#545565

Channel breakdown

R61
G64
B124
Red61 (23.9%)
Green64 (25.1%)
Blue124 (48.6%)
Hue237.14°
Saturation (HSL)34.05%
Lightness36.27%
Dominant channelBlue
Hex per channelR 3D · G 40 · B 7C

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Every value on this page was computed from “3d407c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.