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Recognised as Colour

#2337BF

  • #2337BF
  • Blue
  • Dark
  • Nearest: Dark blue

#2337BF is a blue with RGB values 35, 55, 191 and HSL 232°, 69%, 44%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2337BF#2337BF
HEX#2337BF
RGBrgb(35, 55, 191)
RGB (0–1)0.1373, 0.2157, 0.749
RGB percentages13.7%, 21.6%, 74.9%
HSLhsl(232.3, 69%, 44.3%)
HSV / HSBhsv(232.3, 81.7%, 74.9%)
CMYK81.7%, 71.2%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,308,031
CSS custom property--colour: #2337BF;

Brightness & contrast

Relative luminance0.06851WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.86:1
Contrast with white8.86:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#DCC840

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052C3no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#0042BDno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#005E77no blue cones; rare, and affects men and women equally; ΔE 76.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.86:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Dark blue · ΔE 18.9Navy · ΔE 20.7Slate blue · ΔE 21.2Medium slateblue · ΔE 21.9Indigo · ΔE 23.9Royal blue · ΔE 24.1
Nearest named CSS colourDark blue (#00008B)ΔE 18.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFAB23
Analogous#2385BF, #5D23BF
Triadic#BF2337, #37BF23
Split complementary#BF5D23, #85BF23
Tetradic#BF2385, #BFAB23, #23BF5D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC2F3
Lighter +30%#909CEB
Lighter +20%#6575E3
Lighter +10%#3A4FDB
Darker −10%#1B2B94
Darker −20%#131E69
Darker −30%#0B123E
Darker −40%#030513
More saturated +25%#0722DB
Less saturated −25%#3F4CA3

Channel breakdown

R35
G55
B191
Red35 (13.7%)
Green55 (21.6%)
Blue191 (74.9%)
Hue232.31°
Saturation (HSL)69.03%
Lightness44.31%
Dominant channelBlue
Hex per channelR 23 · G 37 · B BF

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Every value on this page was computed from “2337bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.