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Recognised as Colour

#210BE4

  • #210BE4
  • Blue
  • Dark
  • Nearest: Medium blue

#210BE4 is a blue with RGB values 33, 11, 228 and HSL 246°, 91%, 47%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#210BE4#210BE4
HEX#210BE4
RGBrgb(33, 11, 228)
RGB (0–1)0.1294, 0.0431, 0.8941
RGB percentages12.9%, 4.3%, 89.4%
HSLhsl(246.1, 90.8%, 46.9%)
HSV / HSBhsv(246.1, 95.2%, 89.4%)
CMYK85.5%, 95.2%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,165,732
CSS custom property--colour: #210BE4;

Brightness & contrast

Relative luminance0.06164WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.41:1
Contrast with white9.41:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#DEF41B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051E9no red cones; affects about 1% of men; ΔE 36.3 from the original
Deuteranopia#003BE1no green cones; the most common form, about 1% of men; ΔE 23.6 from the original
Tritanopia#006086no blue cones; rare, and affects men and women equally; ΔE 106.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.41:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.1Blue · ΔE 14Blue violet · ΔE 25.2Dark violet · ΔE 28.5Dark blue · ΔE 38Dark orchid · ΔE 39.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.14, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CEE40B
Analogous#0B61E4, #8E0BE4
Triadic#E4210B, #0BE421
Split complementary#E48D0B, #61E40B
Tetradic#E40B61, #CEE40B, #0BE48E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5BFFC
Lighter +30%#998EFA
Lighter +20%#6D5EF7
Lighter +10%#412DF5
Darker −10%#1A09B3
Darker −20%#130683
Darker −30%#0C0452
Darker −40%#050221
More saturated +25%#1800EF
Less saturated −25%#3929C6

Channel breakdown

R33
G11
B228
Red33 (12.9%)
Green11 (4.3%)
Blue228 (89.4%)
Hue246.08°
Saturation (HSL)90.79%
Lightness46.86%
Dominant channelBlue
Hex per channelR 21 · G 0B · B E4

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Every value on this page was computed from “210be4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.