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Recognised as Colour

#23216B

  • #23216B
  • Blue
  • Dark
  • Nearest: Midnight blue

#23216B is a blue with RGB values 35, 33, 107 and HSL 242°, 53%, 27%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#23216B#23216B
HEX#23216B
RGBrgb(35, 33, 107)
RGB (0–1)0.1373, 0.1294, 0.4196
RGB percentages13.7%, 12.9%, 42%
HSLhsl(241.6, 52.9%, 27.5%)
HSV / HSBhsv(241.6, 69.2%, 42%)
CMYK67.3%, 69.2%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,302,315
CSS custom property--colour: #23216B;

Brightness & contrast

Relative luminance0.02507WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.99:1
Contrast with white13.99:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#DCDE94

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002F6Dno red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#00296Ano green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#003442no blue cones; rare, and affects men and women equally; ΔE 46.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.99:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.1Dark slateblue · ΔE 12.9Rebecca purple · ΔE 23Indigo · ΔE 27.9Navy · ΔE 31.1Slate blue · ΔE 32.8
Nearest named CSS colourMidnight blue (#191970)ΔE 9.07, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#696B21
Analogous#21446B, #48216B
Triadic#6B2321, #216B23
Split complementary#6B4821, #446B21
Tetradic#6B2144, #696B21, #216B48

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8380D8
Lighter +30%#5C59CC
Lighter +20%#3D39B9
Lighter +10%#302D92
Darker −10%#161544
Darker −20%#0A091D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#12107D
Less saturated −25%#34335A

Channel breakdown

R35
G33
B107
Red35 (13.7%)
Green33 (12.9%)
Blue107 (42%)
Hue241.62°
Saturation (HSL)52.86%
Lightness27.45%
Dominant channelBlue
Hex per channelR 23 · G 21 · B 6B

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Every value on this page was computed from “23216b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.