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Recognised as Colour

#215CDC

  • #215CDC
  • Blue
  • Dark
  • Nearest: Royal blue

#215CDC is a blue with RGB values 33, 92, 220 and HSL 221°, 74%, 50%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#215CDC#215CDC
HEX#215CDC
RGBrgb(33, 92, 220)
RGB (0–1)0.1294, 0.3608, 0.8627
RGB percentages12.9%, 36.1%, 86.3%
HSLhsl(221.1, 73.9%, 49.6%)
HSV / HSBhsv(221.1, 85%, 86.3%)
CMYK85%, 58.2%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,186,460
CSS custom property--colour: #215CDC;

Brightness & contrast

Relative luminance0.13145WCAG 2.x, 0 is black and 1 is white
Perceived brightness104 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.79:1
Contrast with white5.79:1WCAG normal text: AA
Contrast with black3.63:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#DEA323

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006EE0no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#005DDAno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#007D93no blue cones; rare, and affects men and women equally; ΔE 71.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.79:1WCAG large text: AAA
Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Royal blue · ΔE 7.8Slate blue · ΔE 14.4Medium slateblue · ΔE 15.6Medium purple · ΔE 24.7Dodgerblue · ΔE 26.5Rebecca purple · ΔE 28.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCA121
Analogous#21BADC, #4321DC
Triadic#DC215C, #5CDC21
Split complementary#DC4321, #BADC21
Tetradic#DC21BA, #DCA121, #21DC44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1DDF8
Lighter +30%#A5BDF1
Lighter +20%#789CEB
Lighter +10%#4C7CE4
Darker −10%#1A49B0
Darker −20%#143783
Darker −30%#0D2457
Darker −40%#06122B
More saturated +25%#0150FC
Less saturated −25%#4168BC

Channel breakdown

R33
G92
B220
Red33 (12.9%)
Green92 (36.1%)
Blue220 (86.3%)
Hue221.07°
Saturation (HSL)73.91%
Lightness49.61%
Dominant channelBlue
Hex per channelR 21 · G 5C · B DC

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Every value on this page was computed from “215cdc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.