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Colour

#3D3D8F

  • #3D3D8F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3D3D8F is a blue with RGB values 61, 61, 143 and HSL 240°, 40%, 40%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3D3D8F#3D3D8F
HEX#3D3D8F
RGBrgb(61, 61, 143)
RGB (0–1)0.2392, 0.2392, 0.5608
RGB percentages23.9%, 23.9%, 56.1%
HSLhsl(240, 40.2%, 40%)
HSV / HSBhsv(240, 57.3%, 56.1%)
CMYK57.3%, 57.3%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,013,455
CSS custom property--colour: #3D3D8F;

Brightness & contrast

Relative luminance0.06313WCAG 2.x, 0 is black and 1 is white
Perceived brightness75 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.28:1
Contrast with white9.28:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#C2C270

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004A92no red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#00448Dno green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#125060no blue cones; rare, and affects men and women equally; ΔE 48.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.28:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 3.8Midnight blue · ΔE 16.3Rebecca purple · ΔE 18.2Slate blue · ΔE 22.4Royal blue · ΔE 26.4Medium purple · ΔE 27.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 3.77, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F8F3D
Analogous#3D668F, #663D8F
Triadic#8F3D3D, #3D8F3D
Split complementary#8F663D, #668F3D
Tetradic#8F3D66, #8F8F3D, #3D8F66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8B8E1
Lighter +30%#9494D1
Lighter +20%#7070C2
Lighter +10%#4C4CB3
Darker −10%#2E2E6B
Darker −20%#1F1F48
Darker −30%#0F0F24
Darker −40%#000000
More saturated +25%#2424A9
Less saturated −25%#575776

Channel breakdown

R61
G61
B143
Red61 (23.9%)
Green61 (23.9%)
Blue143 (56.1%)
Hue240°
Saturation (HSL)40.2%
Lightness40%
Dominant channelBlue
Hex per channelR 3D · G 3D · B 8F

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Every value on this page was computed from “3d3d8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.