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Recognised as Colour

#27508D

  • #27508D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#27508D is a blue with RGB values 39, 80, 141 and HSL 216°, 57%, 35%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#27508D#27508D
HEX#27508D
RGBrgb(39, 80, 141)
RGB (0–1)0.1529, 0.3137, 0.5529
RGB percentages15.3%, 31.4%, 55.3%
HSLhsl(215.9, 56.7%, 35.3%)
HSV / HSBhsv(215.9, 72.3%, 55.3%)
CMYK72.3%, 43.3%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,576,525
CSS custom property--colour: #27508D;

Brightness & contrast

Relative luminance0.08092WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.02:1
Contrast with white8.02:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#D8AF72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#33558Fno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#224C8Cno green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#005E67no blue cones; rare, and affects men and women equally; ΔE 37.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.02:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Steel blue · ΔE 22.4Cornflower blue · ΔE 30Midnight blue · ΔE 32.5Slate grey · ΔE 34.6Royal blue · ΔE 35.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D6427
Analogous#27838D, #31278D
Triadic#8D2750, #508D27
Split complementary#8D3127, #838D27
Tetradic#8D2783, #8D6427, #278D31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CB9E4
Lighter +30%#749DD9
Lighter +20%#4C80CE
Lighter +10%#3267B5
Darker −10%#1C3965
Darker −20%#11233D
Darker −30%#060C15
Darker −40%#000000
More saturated +25%#114CA3
Less saturated −25%#3E5477

Channel breakdown

R39
G80
B141
Red39 (15.3%)
Green80 (31.4%)
Blue141 (55.3%)
Hue215.88°
Saturation (HSL)56.67%
Lightness35.29%
Dominant channelBlue
Hex per channelR 27 · G 50 · B 8D

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Every value on this page was computed from “27508d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.