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Colour

#23338E

  • #23338E
  • Blue
  • Dark
  • Nearest: Midnight blue

#23338E is a blue with RGB values 35, 51, 142 and HSL 231°, 60%, 35%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#23338E#23338E
HEX#23338E
RGBrgb(35, 51, 142)
RGB (0–1)0.1373, 0.2, 0.5569
RGB percentages13.7%, 20%, 55.7%
HSLhsl(231, 60.5%, 34.7%)
HSV / HSBhsv(231, 75.4%, 55.7%)
CMYK75.4%, 64.1%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,306,958
CSS custom property--colour: #23338E;

Brightness & contrast

Relative luminance0.04678WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.85:1
Contrast with white10.85:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#DCCC71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004291no red cones; affects about 1% of men; ΔE 13 from the original
Deuteranopia#00388Cno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#004B5Bno blue cones; rare, and affects men and women equally; ΔE 55.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.85:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.3Dark slateblue · ΔE 11.4Rebecca purple · ΔE 18.1Slate blue · ΔE 22.2Indigo · ΔE 25.3Royal blue · ΔE 25.6
Nearest named CSS colourMidnight blue (#191970)ΔE 11.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E7E23
Analogous#23698E, #49238E
Triadic#8E2333, #338E23
Split complementary#8E4823, #698E23
Tetradic#8E2369, #8E7E23, #238E48

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98A3E5
Lighter +30%#6F7FDB
Lighter +20%#465BD1
Lighter +10%#2D42B7
Darker −10%#192465
Darker −20%#0F163C
Darker −30%#050713
Darker −40%#000000
More saturated +25%#0D23A4
Less saturated −25%#394378

Channel breakdown

R35
G51
B142
Red35 (13.7%)
Green51 (20%)
Blue142 (55.7%)
Hue231.03°
Saturation (HSL)60.45%
Lightness34.71%
Dominant channelBlue
Hex per channelR 23 · G 33 · B 8E

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Every value on this page was computed from “23338e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.