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Recognised as Colour

#213BEF

  • #213BEF
  • Blue
  • Dark
  • Nearest: Medium blue

#213BEF is a blue with RGB values 33, 59, 239 and HSL 232°, 87%, 53%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#213BEF#213BEF
HEX#213BEF
RGBrgb(33, 59, 239)
RGB (0–1)0.1294, 0.2314, 0.9373
RGB percentages12.9%, 23.1%, 93.7%
HSLhsl(232.4, 86.6%, 53.3%)
HSV / HSBhsv(232.4, 86.2%, 93.7%)
CMYK86.2%, 75.3%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,178,031
CSS custom property--colour: #213BEF;

Brightness & contrast

Relative luminance0.09683WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.15:1
Contrast with white7.15:1WCAG normal text: AAA
Contrast with black2.94:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#DEC410

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0062F4no red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#004DECno green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#007293no blue cones; rare, and affects men and women equally; ΔE 96.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.15:1WCAG large text: AAA
Contrast with black, large text2.94:1WCAG large text: Fail

Named colours

Medium blue · ΔE 16.4Blue violet · ΔE 21.4Dark violet · ΔE 28.5Blue · ΔE 29.1Dark blue · ΔE 31.9Dark orchid · ΔE 32.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 16.44, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFD521
Analogous#21A2EF, #6E21EF
Triadic#EF213B, #3BEF21
Split complementary#EF6E21, #A2EF21
Tetradic#EF21A2, #EFD521, #21EF6E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFE3FD
Lighter +30%#B0B9F9
Lighter +20%#808FF6
Lighter +10%#5165F2
Darker −10%#0F27CE
Darker −20%#0B1E9F
Darker −30%#08156F
Darker −40%#050C3F
More saturated +25%#112FFF
Less saturated −25%#3F51D1

Channel breakdown

R33
G59
B239
Red33 (12.9%)
Green59 (23.1%)
Blue239 (93.7%)
Hue232.43°
Saturation (HSL)86.55%
Lightness53.33%
Dominant channelBlue
Hex per channelR 21 · G 3B · B EF

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Every value on this page was computed from “213bef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.