Recognised as Colour
#B70940
- #B70940
- Red
- Dark
- Nearest: Brown
#B70940 is a red with RGB values 183, 9, 64 and HSL 341°, 91%, 38%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#B70940#B70940
HEX#B70940
RGBrgb(183, 9, 64)
RGB (0–1)0.7176, 0.0353, 0.251
RGB percentages71.8%, 3.5%, 25.1%
HSLhsl(341, 90.6%, 37.6%)
HSV / HSBhsv(341, 95.1%, 71.8%)
CMYK0%, 95.1%, 65%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,995,456
CSS custom property--colour: #B70940;
Brightness & contrast
Relative luminance0.10633WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.6 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#323232
Inverted#48F6BF
Colour vision & accessibility
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
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#09B780
Analogous#B70997, #B72909
Triadic#40B709, #0940B7
Split complementary#09B729, #0997B7
Tetradic#97B709, #09B780, #2909B7
Tints, shades & saturation
Channel breakdown
R183
G9
B64
Red183 (71.8%)
Green9 (3.5%)
Blue64 (25.1%)
Hue341.03°
Saturation (HSL)90.63%
Lightness37.65%
Dominant channelRed
Hex per channelR B7 · G 09 · B 40
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
B70940 (chemical formula)
- Formula
- 766,861.4 g/mol
- 70940 atoms
B70940 has a molar mass of 766,861.4 g/mol, made up of 70940 atoms across 1 element: 70940 × B.
Molar mass
Molar mass766,861.4 g/mol
Total atoms per molecule70940
Distinct elements1
Mass of one molecule1.2734033 × 10^-18 g
Molecules per gram7.8529716 × 10^17
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B100%
Boron (B × 70940)766,861.4 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page