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Recognised as Colour

#3D6478

  • #3D6478
  • Blue
  • Dark
  • Nearest: Slate grey

#3D6478 is a blue with RGB values 61, 100, 120 and HSL 200°, 33%, 35%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#3D6478#3D6478
HEX#3D6478
RGBrgb(61, 100, 120)
RGB (0–1)0.2392, 0.3922, 0.4706
RGB percentages23.9%, 39.2%, 47.1%
HSLhsl(200.3, 32.6%, 35.5%)
HSV / HSBhsv(200.3, 49.2%, 47.1%)
CMYK49.2%, 16.7%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,023,416
CSS custom property--colour: #3D6478;

Brightness & contrast

Relative luminance0.11463WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.38:1
Contrast with white6.38:1WCAG normal text: AA
Contrast with black3.29:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#C29B87

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A6379no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#525C78no green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#21696Ano blue cones; rare, and affects men and women equally; ΔE 15.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.38:1WCAG large text: AAA
Contrast with black, large text3.29:1WCAG large text: AA

Named colours

Slate grey · ΔE 14.6Dark slate grey · ΔE 15.4Light slate grey · ΔE 17.1Dim grey · ΔE 17.8Steel blue · ΔE 21Gray · ΔE 21.8
Nearest named CSS colourSlate grey (#708090)ΔE 14.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#78513D
Analogous#3D786F, #3D4778
Triadic#783D64, #64783D
Split complementary#783D47, #786E3D
Tetradic#6F3D78, #78513D, #47783D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC7D5
Lighter +30%#8AB0C4
Lighter +20%#6999B2
Lighter +10%#4E809A
Darker −10%#2C4856
Darker −20%#1B2C34
Darker −30%#090F13
Darker −40%#000000
More saturated +25%#266B8F
Less saturated −25%#545D61

Channel breakdown

R61
G100
B120
Red61 (23.9%)
Green100 (39.2%)
Blue120 (47.1%)
Hue200.34°
Saturation (HSL)32.6%
Lightness35.49%
Dominant channelBlue
Hex per channelR 3D · G 64 · B 78

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Every value on this page was computed from “3d6478” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.