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Recognised as Colour

#2383BB

  • #2383BB
  • Blue
  • Dark
  • Nearest: Steel blue

#2383BB is a blue with RGB values 35, 131, 187 and HSL 202°, 68%, 44%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2383BB#2383BB
HEX#2383BB
RGBrgb(35, 131, 187)
RGB (0–1)0.1373, 0.5137, 0.7333
RGB percentages13.7%, 51.4%, 73.3%
HSLhsl(202.1, 68.5%, 43.5%)
HSV / HSBhsv(202.1, 81.3%, 73.3%)
CMYK81.3%, 29.9%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,327,483
CSS custom property--colour: #2383BB;

Brightness & contrast

Relative luminance0.20178WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.04:1
Contrast with white4.17:1WCAG normal text: Fail
Contrast with black5.04:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#DC7C44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6884BDno red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#5476BAno green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#009197no blue cones; rare, and affects men and women equally; ΔE 33.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.17:1WCAG large text: AA
Contrast with black, large text5.04:1WCAG large text: AAA

Named colours

Steel blue · ΔE 5.8Cornflower blue · ΔE 23Deep skyblue · ΔE 23.6Light slate grey · ΔE 26.6Slate grey · ΔE 26.9Light skyblue · ΔE 29.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 5.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB5B23
Analogous#23BBA7, #2337BB
Triadic#BB2383, #83BB23
Split complementary#BB2337, #BBA723
Tetradic#A723BB, #BB5B23, #37BB23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8DDF2
Lighter +30%#8DC8EA
Lighter +20%#62B3E2
Lighter +10%#379EDA
Darker −10%#1B6590
Darker −20%#134765
Darker −30%#0B293A
Darker −40%#030B0F
More saturated +25%#078AD7
Less saturated −25%#3F7C9F

Channel breakdown

R35
G131
B187
Red35 (13.7%)
Green131 (51.4%)
Blue187 (73.3%)
Hue202.11°
Saturation (HSL)68.47%
Lightness43.53%
Dominant channelBlue
Hex per channelR 23 · G 83 · B BB

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Every value on this page was computed from “2383bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.