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Colour

#36308A

  • #36308A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#36308A is a blue with RGB values 54, 48, 138 and HSL 244°, 48%, 36%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#36308A#36308A
HEX#36308A
RGBrgb(54, 48, 138)
RGB (0–1)0.2118, 0.1882, 0.5412
RGB percentages21.2%, 18.8%, 54.1%
HSLhsl(244, 48.4%, 36.5%)
HSV / HSBhsv(244, 65.2%, 54.1%)
CMYK60.9%, 65.2%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,551,370
CSS custom property--colour: #36308A;

Brightness & contrast

Relative luminance0.04733WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.79:1
Contrast with white10.79:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#C9CF75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00418Dno red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#003A88no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#004758no blue cones; rare, and affects men and women equally; ΔE 54.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.79:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 9.8Midnight blue · ΔE 10.2Rebecca purple · ΔE 14.5Slate blue · ΔE 21.9Indigo · ΔE 22.4Navy · ΔE 26.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 9.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#848A30
Analogous#30578A, #63308A
Triadic#8A3630, #308A36
Split complementary#8A6330, #578A30
Tetradic#8A3057, #848A30, #308A63

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAA6E0
Lighter +30%#8680D3
Lighter +20%#615AC6
Lighter +10%#453DB0
Darker −10%#272364
Darker −20%#18163E
Darker −30%#0A0918
Darker −40%#000000
More saturated +25%#2219A1
Less saturated −25%#4A4773

Channel breakdown

R54
G48
B138
Red54 (21.2%)
Green48 (18.8%)
Blue138 (54.1%)
Hue244°
Saturation (HSL)48.39%
Lightness36.47%
Dominant channelBlue
Hex per channelR 36 · G 30 · B 8A

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Every value on this page was computed from “36308a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.