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Recognised as Colour

#23358E

  • #23358E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#23358E is a blue with RGB values 35, 53, 142 and HSL 230°, 60%, 35%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#23358E#23358E
HEX#23358E
RGBrgb(35, 53, 142)
RGB (0–1)0.1373, 0.2078, 0.5569
RGB percentages13.7%, 20.8%, 55.7%
HSLhsl(229.9, 60.5%, 34.7%)
HSV / HSBhsv(229.9, 75.4%, 55.7%)
CMYK75.4%, 62.7%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,307,470
CSS custom property--colour: #23358E;

Brightness & contrast

Relative luminance0.04857WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.65:1
Contrast with white10.65:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#DCCA71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004391no red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#00398Cno green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#004C5Cno blue cones; rare, and affects men and women equally; ΔE 53.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.65:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.3Midnight blue · ΔE 12.2Rebecca purple · ΔE 18.9Slate blue · ΔE 22.6Royal blue · ΔE 25.6Indigo · ΔE 26.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E7C23
Analogous#236A8E, #47238E
Triadic#8E2335, #358E23
Split complementary#8E4723, #6A8E23
Tetradic#8E236A, #8E7C23, #238E47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98A5E5
Lighter +30%#6F81DB
Lighter +20%#465DD1
Lighter +10%#2D44B7
Darker −10%#192665
Darker −20%#0F163C
Darker −30%#050713
Darker −40%#000000
More saturated +25%#0D26A4
Less saturated −25%#394478

Channel breakdown

R35
G53
B142
Red35 (13.7%)
Green53 (20.8%)
Blue142 (55.7%)
Hue229.91°
Saturation (HSL)60.45%
Lightness34.71%
Dominant channelBlue
Hex per channelR 23 · G 35 · B 8E

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Every value on this page was computed from “23358e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.