Nerdulator> put something in

Recognised as Colour

#BB0209

  • #BB0209
  • Red
  • Dark
  • Nearest: Firebrick

#BB0209 is a red with RGB values 187, 2, 9 and HSL 358°, 98%, 37%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BB0209#BB0209
HEX#BB0209
RGBrgb(187, 2, 9)
RGB (0–1)0.7333, 0.0078, 0.0353
RGB percentages73.3%, 0.8%, 3.5%
HSLhsl(357.7, 97.9%, 37.1%)
HSV / HSBhsv(357.7, 98.9%, 73.3%)
CMYK0%, 98.9%, 95.2%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,255,753
CSS custom property--colour: #BB0209;

Brightness & contrast

Relative luminance0.10628WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.72:1
Contrast with white6.72:1WCAG normal text: AA
Contrast with black3.13:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#44FDF6

Colour vision & accessibility

Protanopia#4E4403no red cones; affects about 1% of men; ΔE 68.4 from the original
Deuteranopia#766800no green cones; the most common form, about 1% of men; ΔE 67.8 from the original
Tritanopia#CF000Cno blue cones; rare, and affects men and women equally; ΔE 7.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.72:1WCAG large text: AAA
Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 14.31, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#02BBB4
Analogous#BB0265, #BB5802
Triadic#09BB02, #0209BB
Split complementary#02BB58, #0265BB
Tetradic#65BB02, #02BBB4, #5802BB

Tints, shades & saturation

Lighter +40%#FE8B90
Lighter +30%#FD595F
Lighter +20%#FD262E
Lighter +10%#ED030B
Darker −10%#890107
Darker −20%#560104
Darker −30%#240002
Darker −40%#000000
More saturated +25%#BD0007
Less saturated −25%#A31A1F

Channel breakdown

R187
G2
B9
Red187 (73.3%)
Green2 (0.8%)
Blue9 (3.5%)
Hue357.73°
Saturation (HSL)97.88%
Lightness37.06%
Dominant channelRed
Hex per channelR BB · G 02 · B 09

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 “bb0209” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.