Recognised as Colour
#B33549
- #B33549
- Red
- Dark
- Nearest: Brown
#B33549 is a red with RGB values 179, 53, 73 and HSL 350°, 54%, 45%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#B33549#B33549
HEX#B33549
RGBrgb(179, 53, 73)
RGB (0–1)0.702, 0.2078, 0.2863
RGB percentages70.2%, 20.8%, 28.6%
HSLhsl(350.5, 54.3%, 45.5%)
HSV / HSBhsv(350.5, 70.4%, 70.2%)
CMYK0%, 70.4%, 59.2%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,744,585
CSS custom property--colour: #B33549;
Brightness & contrast
Relative luminance0.12611WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.96:1
Contrast with white5.96:1WCAG normal text: AA
Contrast with black3.52:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#4CCAB6
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.96:1WCAG large text: AAA
Contrast with black, large text3.52:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#35B39F
Analogous#B33588, #B36035
Triadic#49B335, #3549B3
Split complementary#35B360, #3588B3
Tetradic#88B335, #35B39F, #6035B3
Tints, shades & saturation
Channel breakdown
R179
G53
B73
Red179 (70.2%)
Green53 (20.8%)
Blue73 (28.6%)
Hue350.48°
Saturation (HSL)54.31%
Lightness45.49%
Dominant channelRed
Hex per channelR B3 · G 35 · B 49
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
B33549 (chemical formula)
- Formula
- 362,664.69 g/mol
- 33549 atoms
B33549 has a molar mass of 362,664.69 g/mol, made up of 33549 atoms across 1 element: 33549 × B.
Molar mass
Molar mass362,664.69 g/mol
Total atoms per molecule33549
Distinct elements1
Mass of one molecule6.0221889 × 10^-19 g
Molecules per gram1.6605258 × 10^18
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 × 33549)362,664.69 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