Recognised as Colour
#536C8B
- #536C8B
- Blue
- Dark
- Nearest: Slate grey
#536C8B is a blue with RGB values 83, 108, 139 and HSL 213°, 25%, 44%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Slate grey.
Colour values
#536C8B#536C8B
HEX#536C8B
RGBrgb(83, 108, 139)
RGB (0–1)0.3255, 0.4235, 0.5451
RGB percentages32.5%, 42.4%, 54.5%
HSLhsl(213.2, 25.2%, 43.5%)
HSV / HSBhsv(213.2, 40.3%, 54.5%)
CMYK40.3%, 22.3%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,467,275
CSS custom property--colour: #536C8B;
Brightness & contrast
Relative luminance0.14428WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.4:1
Contrast with white5.4:1WCAG normal text: AA
Contrast with black3.89:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#AC9374
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.4:1WCAG large text: AAA
Contrast with black, large text3.89:1WCAG large text: AA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8B7253
Analogous#53888B, #56538B
Triadic#8B536C, #6C8B53
Split complementary#8B5653, #888B53
Tetradic#8B5388, #8B7253, #538B56
Tints, shades & saturation
Channel breakdown
R83
G108
B139
Red83 (32.5%)
Green108 (42.4%)
Blue139 (54.5%)
Hue213.21°
Saturation (HSL)25.23%
Lightness43.53%
Dominant channelBlue
Hex per channelR 53 · G 6C · B 8B
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Nerdulate something else
Nothing in mind? Surprise me · today’s page