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Colour

#23328F

  • #23328F
  • Blue
  • Dark
  • Nearest: Midnight blue

#23328F is a blue with RGB values 35, 50, 143 and HSL 232°, 61%, 35%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#23328F#23328F
HEX#23328F
RGBrgb(35, 50, 143)
RGB (0–1)0.1373, 0.1961, 0.5608
RGB percentages13.7%, 19.6%, 56.1%
HSLhsl(231.7, 60.7%, 34.9%)
HSV / HSBhsv(231.7, 75.5%, 56.1%)
CMYK75.5%, 65%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,306,703
CSS custom property--colour: #23328F;

Brightness & contrast

Relative luminance0.04622WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.91:1
Contrast with white10.91:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#DCCD70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004292no red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#00388Dno green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#004A5Bno blue cones; rare, and affects men and women equally; ΔE 55.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.91:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11Dark slateblue · ΔE 12.4Rebecca purple · ΔE 17.6Slate blue · ΔE 21.8Indigo · ΔE 24.2Royal blue · ΔE 25.4
Nearest named CSS colourMidnight blue (#191970)ΔE 11.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F8023
Analogous#23688F, #4A238F
Triadic#8F2332, #328F23
Split complementary#8F4A23, #688F23
Tetradic#8F2368, #8F8023, #238F4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98A3E6
Lighter +30%#6F7EDC
Lighter +20%#465AD2
Lighter +10%#2D40B8
Darker −10%#192466
Darker −20%#0F153D
Darker −30%#050714
Darker −40%#000000
More saturated +25%#0D22A5
Less saturated −25%#394279

Channel breakdown

R35
G50
B143
Red35 (13.7%)
Green50 (19.6%)
Blue143 (56.1%)
Hue231.67°
Saturation (HSL)60.67%
Lightness34.9%
Dominant channelBlue
Hex per channelR 23 · G 32 · B 8F

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Every value on this page was computed from “23328f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.