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Recognised as Colour

#36237F

  • #36237F
  • Blue
  • Dark
  • Nearest: Midnight blue

#36237F is a blue with RGB values 54, 35, 127 and HSL 252°, 57%, 32%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#36237F#36237F
HEX#36237F
RGBrgb(54, 35, 127)
RGB (0–1)0.2118, 0.1373, 0.498
RGB percentages21.2%, 13.7%, 49.8%
HSLhsl(252.4, 56.8%, 31.8%)
HSV / HSBhsv(252.4, 72.4%, 49.8%)
CMYK57.5%, 72.4%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,548,031
CSS custom property--colour: #36237F;

Brightness & contrast

Relative luminance0.03519WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.33:1
Contrast with white12.33:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#C9DC80

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003782no red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#00327Dno green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#143B4Eno blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.33:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.9Rebecca purple · ΔE 13.7Dark slateblue · ΔE 14.2Indigo · ΔE 17.6Navy · ΔE 22.2Slate blue · ΔE 25
Nearest named CSS colourMidnight blue (#191970)ΔE 6.87, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C7F23
Analogous#233E7F, #64237F
Triadic#7F3623, #237F36
Split complementary#7F6423, #3E7F23
Tetradic#7F233E, #6C7F23, #237F64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9F8EE0
Lighter +30%#7D66D5
Lighter +20%#5B3ECA
Lighter +10%#472EA7
Darker −10%#251857
Darker −20%#140D2F
Darker −30%#030207
Darker −40%#000000
More saturated +25%#2A0F93
Less saturated −25%#42376B

Channel breakdown

R54
G35
B127
Red54 (21.2%)
Green35 (13.7%)
Blue127 (49.8%)
Hue252.39°
Saturation (HSL)56.79%
Lightness31.76%
Dominant channelBlue
Hex per channelR 36 · G 23 · B 7F

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Every value on this page was computed from “36237f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.