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Colour

#3D555E

  • #3D555E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3D555E is a cyan with RGB values 61, 85, 94 and HSL 196°, 21%, 30%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3D555E#3D555E
HEX#3D555E
RGBrgb(61, 85, 94)
RGB (0–1)0.2392, 0.3333, 0.3686
RGB percentages23.9%, 33.3%, 36.9%
HSLhsl(196.4, 21.3%, 30.4%)
HSV / HSBhsv(196.4, 35.1%, 36.9%)
CMYK35.1%, 9.6%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,019,550
CSS custom property--colour: #3D555E;

Brightness & contrast

Relative luminance0.08297WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.9:1
Contrast with white7.9:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#C2AAA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#50545Fno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#4B505Eno green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#325858no blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.9:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.6Dim grey · ΔE 14.4Slate grey · ΔE 18.9Gray · ΔE 21.7Light slate grey · ΔE 22Teal · ΔE 26.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.56, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E463D
Analogous#3D5E57, #3D455E
Triadic#5E3D55, #555E3D
Split complementary#5E3D45, #5E573D
Tetradic#573D5E, #5E463D, #455E3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3BBC4
Lighter +30%#84A4B0
Lighter +20%#668D9B
Lighter +10%#51717D
Darker −10%#29393F
Darker −20%#151D20
Darker −30%#010101
Darker −40%#000000
More saturated +25%#2A5E71
Less saturated −25%#4E4E4E

Channel breakdown

R61
G85
B94
Red61 (23.9%)
Green85 (33.3%)
Blue94 (36.9%)
Hue196.36°
Saturation (HSL)21.29%
Lightness30.39%
Dominant channelBlue
Hex per channelR 3D · G 55 · B 5E

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Every value on this page was computed from “3d555e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.