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Recognised as Colour

#27509A

  • #27509A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#27509A is a blue with RGB values 39, 80, 154 and HSL 219°, 60%, 38%. 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 slateblue.

Colour values

#27509A#27509A
HEX#27509A
RGBrgb(39, 80, 154)
RGB (0–1)0.1529, 0.3137, 0.6039
RGB percentages15.3%, 31.4%, 60.4%
HSLhsl(218.6, 59.6%, 37.8%)
HSV / HSBhsv(218.6, 74.7%, 60.4%)
CMYK74.7%, 48.1%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,576,538
CSS custom property--colour: #27509A;

Brightness & contrast

Relative luminance0.08502WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.78:1
Contrast with white7.78:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#D8AF65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#28589Dno red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#094D99no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#00616Dno blue cones; rare, and affects men and women equally; ΔE 44.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.78:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.4Steel blue · ΔE 27.1Cornflower blue · ΔE 27.5Midnight blue · ΔE 27.6Royal blue · ΔE 27.9Slate blue · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A7127
Analogous#278A9A, #37279A
Triadic#9A2750, #509A27
Split complementary#9A3727, #8A9A27
Tetradic#9A278A, #9A7127, #279A37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5BDE8
Lighter +30%#7C9FDE
Lighter +20%#5381D4
Lighter +10%#3165C3
Darker −10%#1D3B71
Darker −20%#122649
Darker −30%#081120
Darker −40%#000000
More saturated +25%#0F49B2
Less saturated −25%#3F5782

Channel breakdown

R39
G80
B154
Red39 (15.3%)
Green80 (31.4%)
Blue154 (60.4%)
Hue218.61°
Saturation (HSL)59.59%
Lightness37.84%
Dominant channelBlue
Hex per channelR 27 · G 50 · B 9A

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Every value on this page was computed from “27509a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.