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Recognised as Colour

#2138BE

  • #2138BE
  • Blue
  • Dark
  • Nearest: Dark blue

#2138BE is a blue with RGB values 33, 56, 190 and HSL 231°, 70%, 44%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2138BE#2138BE
HEX#2138BE
RGBrgb(33, 56, 190)
RGB (0–1)0.1294, 0.2196, 0.7451
RGB percentages12.9%, 22%, 74.5%
HSLhsl(231.2, 70.4%, 43.7%)
HSV / HSBhsv(231.2, 82.6%, 74.5%)
CMYK82.6%, 70.5%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,177,214
CSS custom property--colour: #2138BE;

Brightness & contrast

Relative luminance0.06869WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.85:1
Contrast with white8.85:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#DEC741

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052C2no red cones; affects about 1% of men; ΔE 19.6 from the original
Deuteranopia#0042BCno green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#005E77no blue cones; rare, and affects men and women equally; ΔE 75.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.85:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19.3Slate blue · ΔE 20.4Navy · ΔE 20.8Medium slateblue · ΔE 21.6Royal blue · ΔE 23.2Indigo · ΔE 23.9
Nearest named CSS colourDark blue (#00008B)ΔE 19.31, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BEA721
Analogous#2186BE, #5921BE
Triadic#BE2138, #38BE21
Split complementary#BE5921, #86BE21
Tetradic#BE2186, #BEA721, #21BE59

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8C1F3
Lighter +30%#8D9BEB
Lighter +20%#6174E4
Lighter +10%#364EDC
Darker −10%#192B93
Darker −20%#121E67
Darker −30%#0A123C
Darker −40%#030510
More saturated +25%#0524DA
Less saturated −25%#3D4CA2

Channel breakdown

R33
G56
B190
Red33 (12.9%)
Green56 (22%)
Blue190 (74.5%)
Hue231.21°
Saturation (HSL)70.4%
Lightness43.73%
Dominant channelBlue
Hex per channelR 21 · G 38 · B BE

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Every value on this page was computed from “2138be” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.