Nerdulator> put something in

Recognised as Colour

#2100BC

  • #2100BC
  • Blue
  • Dark
  • Nearest: Medium blue

#2100BC is a blue with RGB values 33, 0, 188 and HSL 251°, 100%, 37%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#2100BC#2100BC
HEX#2100BC
RGBrgb(33, 0, 188)
RGB (0–1)0.1294, 0, 0.7373
RGB percentages12.9%, 0%, 73.7%
HSLhsl(250.5, 100%, 36.9%)
HSV / HSBhsv(250.5, 100%, 73.7%)
CMYK82.4%, 100%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,162,876
CSS custom property--colour: #2100BC;

Brightness & contrast

Relative luminance0.03954WCAG 2.x, 0 is black and 1 is white
Perceived brightness66 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.73:1
Contrast with white11.73:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#DEFF43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0040C0no red cones; affects about 1% of men; ΔE 32.1 from the original
Deuteranopia#002FB9no green cones; the most common form, about 1% of men; ΔE 22.4 from the original
Tritanopia#004C6Dno blue cones; rare, and affects men and women equally; ΔE 92.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.73:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.6Blue violet · ΔE 21.8Dark blue · ΔE 21.8Dark violet · ΔE 24.7Navy · ΔE 27Blue · ΔE 30
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.64, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9BBC00
Analogous#003DBC, #7F00BC
Triadic#BC2100, #00BC21
Split complementary#BC7F00, #3DBC00
Tetradic#BC003D, #9BBC00, #00BC7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9E89FF
Lighter +30%#7456FF
Lighter +20%#4A23FF
Lighter +10%#2A00EF
Darker −10%#180089
Darker −20%#0F0056
Darker −30%#060023
Darker −40%#000000
More saturated +25%#2100BC
Less saturated −25%#3018A5

Channel breakdown

R33
G0
B188
Red33 (12.9%)
Green0 (0%)
Blue188 (73.7%)
Hue250.53°
Saturation (HSL)100%
Lightness36.86%
Dominant channelBlue
Hex per channelR 21 · G 00 · B BC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2100bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.