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Recognised as Colour

#2373A3

  • #2373A3
  • Blue
  • Dark
  • Nearest: Steel blue

#2373A3 is a blue with RGB values 35, 115, 163 and HSL 203°, 65%, 39%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2373A3#2373A3
HEX#2373A3
RGBrgb(35, 115, 163)
RGB (0–1)0.1373, 0.451, 0.6392
RGB percentages13.7%, 45.1%, 63.9%
HSLhsl(202.5, 64.6%, 38.8%)
HSV / HSBhsv(202.5, 78.5%, 63.9%)
CMYK78.5%, 29.4%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,323,363
CSS custom property--colour: #2373A3;

Brightness & contrast

Relative luminance0.15263WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.18:1
Contrast with white5.18:1WCAG normal text: AA
Contrast with black4.05:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#DC8C5C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C74A5no red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#4B68A2no green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#007F84no blue cones; rare, and affects men and women equally; ΔE 29.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.18:1WCAG large text: AAA
Contrast with black, large text4.05:1WCAG large text: AA

Named colours

Steel blue · ΔE 7Slate grey · ΔE 23.5Light slate grey · ΔE 24Cornflower blue · ΔE 28.2Deep skyblue · ΔE 30.4Cadetblue · ΔE 32.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.02, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A35323
Analogous#23A393, #2333A3
Triadic#A32373, #73A323
Split complementary#A32333, #A39323
Tetradic#9323A3, #A35323, #33A323

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6D2EC
Lighter +30%#7CBCE3
Lighter +20%#52A7DA
Lighter +10%#2C91CD
Darker −10%#1A5579
Darker −20%#11384F
Darker −30%#081A25
Darker −40%#000000
More saturated +25%#0A79BC
Less saturated −25%#3C6D8A

Channel breakdown

R35
G115
B163
Red35 (13.7%)
Green115 (45.1%)
Blue163 (63.9%)
Hue202.5°
Saturation (HSL)64.65%
Lightness38.82%
Dominant channelBlue
Hex per channelR 23 · G 73 · B A3

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Every value on this page was computed from “2373a3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.