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Recognised as Colour

#3D5567

  • #3D5567
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3D5567 is a blue with RGB values 61, 85, 103 and HSL 206°, 26%, 32%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3D5567#3D5567
HEX#3D5567
RGBrgb(61, 85, 103)
RGB (0–1)0.2392, 0.3333, 0.4039
RGB percentages23.9%, 33.3%, 40.4%
HSLhsl(205.7, 25.6%, 32.2%)
HSV / HSBhsv(205.7, 40.8%, 40.4%)
CMYK40.8%, 17.5%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,019,559
CSS custom property--colour: #3D5567;

Brightness & contrast

Relative luminance0.08468WCAG 2.x, 0 is black and 1 is white
Perceived brightness81 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.8:1
Contrast with white7.8:1WCAG normal text: AAA
Contrast with black2.69:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#C2AA98

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D5568no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#485067no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#2E595Bno blue cones; rare, and affects men and women equally; ΔE 12.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.8:1WCAG large text: AAA
Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.8Dim grey · ΔE 16.8Slate grey · ΔE 18.2Light slate grey · ΔE 21.2Gray · ΔE 23.2Steel blue · ΔE 25.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#674F3D
Analogous#3D6764, #3D4067
Triadic#673D55, #55673D
Split complementary#673D40, #67643D
Tetradic#643D67, #674F3D, #40673D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6BBCA
Lighter +30%#86A2B7
Lighter +20%#6689A4
Lighter +10%#506F87
Darker −10%#2A3B47
Darker −20%#172027
Darker −30%#040607
Darker −40%#000000
More saturated +25%#29587B
Less saturated −25%#525252

Channel breakdown

R61
G85
B103
Red61 (23.9%)
Green85 (33.3%)
Blue103 (40.4%)
Hue205.71°
Saturation (HSL)25.61%
Lightness32.16%
Dominant channelBlue
Hex per channelR 3D · G 55 · B 67

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Every value on this page was computed from “3d5567” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.